<article>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#article09_12_21_1431255</id>
	<title>Simulation of Close Asteroid Fly-By</title>
	<author>Soulskill</author>
	<datestamp>1261410360000</datestamp>
	<htmltext>c0mpliant writes <i>"NASA and the Jet Propulsion Laboratory have released <a href="http://www.wired.com/wiredscience/2009/12/closest-asteroid-approach-to-earth">a simulation of the path of an asteroid</a>, named Apophis, that will come very close to Earth in 2029 &mdash; the closest predicted approach since humans have monitored for such heavenly bodies. The asteroid caused a bit of a scare when astronomers first announced that it would enter Earth's neighborhood some time in the future. However, since that announcement in 2004, more recent calculations have put the odds of collision at <a href="http://science.slashdot.org/story/09/10/07/2027218/NASA-Downgrades-Asteroid-Earth-Collision-Risk">1 in 250,000</a>."</i></htmltext>
<tokenext>c0mpliant writes " NASA and the Jet Propulsion Laboratory have released a simulation of the path of an asteroid , named Apophis , that will come very close to Earth in 2029    the closest predicted approach since humans have monitored for such heavenly bodies .
The asteroid caused a bit of a scare when astronomers first announced that it would enter Earth 's neighborhood some time in the future .
However , since that announcement in 2004 , more recent calculations have put the odds of collision at 1 in 250,000 .
"</tokentext>
<sentencetext>c0mpliant writes "NASA and the Jet Propulsion Laboratory have released a simulation of the path of an asteroid, named Apophis, that will come very close to Earth in 2029 — the closest predicted approach since humans have monitored for such heavenly bodies.
The asteroid caused a bit of a scare when astronomers first announced that it would enter Earth's neighborhood some time in the future.
However, since that announcement in 2004, more recent calculations have put the odds of collision at 1 in 250,000.
"</sentencetext>
</article>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30514964</id>
	<title>Re:In case of slashdotting</title>
	<author>Anonymous</author>
	<datestamp>1261424340000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>That can't be right.  This is 2029 we're talking about here.  The LHC will have done us in long before then.</p><p>Your model will be outdated by the time it happens.</p></htmltext>
<tokenext>That ca n't be right .
This is 2029 we 're talking about here .
The LHC will have done us in long before then.Your model will be outdated by the time it happens .</tokentext>
<sentencetext>That can't be right.
This is 2029 we're talking about here.
The LHC will have done us in long before then.Your model will be outdated by the time it happens.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30512704</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30512650</id>
	<title>Close</title>
	<author>Anonymous</author>
	<datestamp>1261414140000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext>But no cigar</htmltext>
<tokenext>But no cigar</tokentext>
<sentencetext>But no cigar</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30512850</id>
	<title>It's a conspiricy!</title>
	<author>Anonymous</author>
	<datestamp>1261415160000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><blockquote><div><p>...a simulation of the path of an asteroid, named Apophis, that will come very close to Earth in 2029</p></div></blockquote><p>
You can't fool me: the System Lords are planing an invasion, aren't they? Where the hell are SG:1?</p></div>
	</htmltext>
<tokenext>...a simulation of the path of an asteroid , named Apophis , that will come very close to Earth in 2029 You ca n't fool me : the System Lords are planing an invasion , are n't they ?
Where the hell are SG : 1 ?</tokentext>
<sentencetext>...a simulation of the path of an asteroid, named Apophis, that will come very close to Earth in 2029
You can't fool me: the System Lords are planing an invasion, aren't they?
Where the hell are SG:1?
	</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30513148</id>
	<title>Re:Danger... or opportunity?</title>
	<author>Anonymous</author>
	<datestamp>1261416300000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>Or you could just crash it into hte moon... then we wouldn't have to go as far to get it.</p></htmltext>
<tokenext>Or you could just crash it into hte moon... then we would n't have to go as far to get it .</tokentext>
<sentencetext>Or you could just crash it into hte moon... then we wouldn't have to go as far to get it.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30512876</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30513826</id>
	<title>Re:Looks like our force field will save us</title>
	<author>scorp1us</author>
	<datestamp>1261419300000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>The asteroid is traveling on a straight line. As it approaches, it changes to closing on  a moving target. (the earth, who travels its diameter every 5 minutes) However the original trajectory its too fast and not aimed well for impact. So it gets close, but comes off at a new able because we to put a considerable tug on it. But its already aimed behind us, and we're moving further away.</p><p>Remember momentum is linear and the force of gravity is over r^2, so it is only briefly largely influenced. Plus, with an atmosphere we do have some kind of cushion, but it doesn't get that close. (according to the simulation)</p></htmltext>
<tokenext>The asteroid is traveling on a straight line .
As it approaches , it changes to closing on a moving target .
( the earth , who travels its diameter every 5 minutes ) However the original trajectory its too fast and not aimed well for impact .
So it gets close , but comes off at a new able because we to put a considerable tug on it .
But its already aimed behind us , and we 're moving further away.Remember momentum is linear and the force of gravity is over r ^ 2 , so it is only briefly largely influenced .
Plus , with an atmosphere we do have some kind of cushion , but it does n't get that close .
( according to the simulation )</tokentext>
<sentencetext>The asteroid is traveling on a straight line.
As it approaches, it changes to closing on  a moving target.
(the earth, who travels its diameter every 5 minutes) However the original trajectory its too fast and not aimed well for impact.
So it gets close, but comes off at a new able because we to put a considerable tug on it.
But its already aimed behind us, and we're moving further away.Remember momentum is linear and the force of gravity is over r^2, so it is only briefly largely influenced.
Plus, with an atmosphere we do have some kind of cushion, but it doesn't get that close.
(according to the simulation)</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30513300</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30519724</id>
	<title>That article is 11 years old...</title>
	<author>Anonymous</author>
	<datestamp>1261410180000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>It was written in 1998, the year that two Hollywood asteroid-vs-earth movies (Deep Impact and Armageddon) were released.</p></htmltext>
<tokenext>It was written in 1998 , the year that two Hollywood asteroid-vs-earth movies ( Deep Impact and Armageddon ) were released .</tokentext>
<sentencetext>It was written in 1998, the year that two Hollywood asteroid-vs-earth movies (Deep Impact and Armageddon) were released.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30513378</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30514224</id>
	<title>Yet another simulation</title>
	<author>tokul</author>
	<datestamp>1261421100000</datestamp>
	<modclass>Funny</modclass>
	<modscore>2</modscore>
	<htmltext>We already have Armageddon and Deep Impact.</htmltext>
<tokenext>We already have Armageddon and Deep Impact .</tokentext>
<sentencetext>We already have Armageddon and Deep Impact.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30513256</id>
	<title>Re:It's a conspiricy!</title>
	<author>Anonymous</author>
	<datestamp>1261416720000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>Wow, you guys are slipping. I had to go 12 threads down to find the SG1 reference?<br>It was the first thing I thought of while reading the summary.</p></htmltext>
<tokenext>Wow , you guys are slipping .
I had to go 12 threads down to find the SG1 reference ? It was the first thing I thought of while reading the summary .</tokentext>
<sentencetext>Wow, you guys are slipping.
I had to go 12 threads down to find the SG1 reference?It was the first thing I thought of while reading the summary.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30512850</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30513782</id>
	<title>Apophis?  But I thought...</title>
	<author>Kozz</author>
	<datestamp>1261419120000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>Why named "Apophis?"  I thought SG-1 killed him off real good back in season four.  What we've got to consider is whether the asteroid is in fact heavy with naquadah (which prohibits nuclear solutions).  At least Sam Carter figured out that whole enlargement of the subspace bubble round the transport vessel -- barely got that asteroid to the other side of earth...  We've got all the solutions we need, I figure.</p></htmltext>
<tokenext>Why named " Apophis ?
" I thought SG-1 killed him off real good back in season four .
What we 've got to consider is whether the asteroid is in fact heavy with naquadah ( which prohibits nuclear solutions ) .
At least Sam Carter figured out that whole enlargement of the subspace bubble round the transport vessel -- barely got that asteroid to the other side of earth... We 've got all the solutions we need , I figure .</tokentext>
<sentencetext>Why named "Apophis?
"  I thought SG-1 killed him off real good back in season four.
What we've got to consider is whether the asteroid is in fact heavy with naquadah (which prohibits nuclear solutions).
At least Sam Carter figured out that whole enlargement of the subspace bubble round the transport vessel -- barely got that asteroid to the other side of earth...  We've got all the solutions we need, I figure.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30537640</id>
	<title>Re:A dose of realism, before the plague of ignoran</title>
	<author>Anonymous</author>
	<datestamp>1259784000000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>Except that Celestia doesn't do gravity.</p><p>You'd have to use other software to create the trajectories, then use Celestia to display it.</p><p>C64 "Lunar Lander" did gravity, Braben's "Elite" did gravity, but nowadays even Eve does not do gravity.</p></htmltext>
<tokenext>Except that Celestia does n't do gravity.You 'd have to use other software to create the trajectories , then use Celestia to display it.C64 " Lunar Lander " did gravity , Braben 's " Elite " did gravity , but nowadays even Eve does not do gravity .</tokentext>
<sentencetext>Except that Celestia doesn't do gravity.You'd have to use other software to create the trajectories, then use Celestia to display it.C64 "Lunar Lander" did gravity, Braben's "Elite" did gravity, but nowadays even Eve does not do gravity.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30513270</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30517372</id>
	<title>Relex, it isn't that big.</title>
	<author>mmell</author>
	<datestamp>1261392840000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>Y'see, Earth has this <i>atmosphere</i> thing going on, with all sorts of interdependent and <i>highly delicate living things</i>.  An Earth/Apophis impact would release the eqivalent of detonating gigatons of TNT, and all us poor, frail things that depend on the atmosphere and/or the hydrosphere would be pretty much boned.<p>
Now good ol' Luna, on the other hand . . . well, what's one more half-mile wide crater amidst the regolith, eh?  I mean, not even an atmosphere to disperse a superheated shock wave - just a big crater, surrounded by smaller craters where the ejecta came back down on the moon's surface.  Not even a whisper of sound!  Just a miniscule flash (to we living, air-breathing types), easily missed.  No real 'delta-v' for our moon, no funky tides here on Terra, <i>nada</i>.  Now, I'll bet every astronomer with so much as a spyglass would be watching when it happens, and I'm sure there'd be spectacular photographs of the event, but aside from that it'd be a major non-event.</p></htmltext>
<tokenext>Y'see , Earth has this atmosphere thing going on , with all sorts of interdependent and highly delicate living things .
An Earth/Apophis impact would release the eqivalent of detonating gigatons of TNT , and all us poor , frail things that depend on the atmosphere and/or the hydrosphere would be pretty much boned .
Now good ol ' Luna , on the other hand .
. .
well , what 's one more half-mile wide crater amidst the regolith , eh ?
I mean , not even an atmosphere to disperse a superheated shock wave - just a big crater , surrounded by smaller craters where the ejecta came back down on the moon 's surface .
Not even a whisper of sound !
Just a miniscule flash ( to we living , air-breathing types ) , easily missed .
No real 'delta-v ' for our moon , no funky tides here on Terra , nada .
Now , I 'll bet every astronomer with so much as a spyglass would be watching when it happens , and I 'm sure there 'd be spectacular photographs of the event , but aside from that it 'd be a major non-event .</tokentext>
<sentencetext>Y'see, Earth has this atmosphere thing going on, with all sorts of interdependent and highly delicate living things.
An Earth/Apophis impact would release the eqivalent of detonating gigatons of TNT, and all us poor, frail things that depend on the atmosphere and/or the hydrosphere would be pretty much boned.
Now good ol' Luna, on the other hand .
. .
well, what's one more half-mile wide crater amidst the regolith, eh?
I mean, not even an atmosphere to disperse a superheated shock wave - just a big crater, surrounded by smaller craters where the ejecta came back down on the moon's surface.
Not even a whisper of sound!
Just a miniscule flash (to we living, air-breathing types), easily missed.
No real 'delta-v' for our moon, no funky tides here on Terra, nada.
Now, I'll bet every astronomer with so much as a spyglass would be watching when it happens, and I'm sure there'd be spectacular photographs of the event, but aside from that it'd be a major non-event.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30513348</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30513278</id>
	<title>Re:Where's The OTHER Simulation?</title>
	<author>smitty777</author>
	<datestamp>1261416900000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>Posted above, but here it is again: <a href="http://www.youtube.com/watch?v=-zvCUmeoHpw" title="youtube.com">http://www.youtube.com/watch?v=-zvCUmeoHpw</a> [youtube.com]</p></htmltext>
<tokenext>Posted above , but here it is again : http : //www.youtube.com/watch ? v = -zvCUmeoHpw [ youtube.com ]</tokentext>
<sentencetext>Posted above, but here it is again: http://www.youtube.com/watch?v=-zvCUmeoHpw [youtube.com]</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30512846</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30514790</id>
	<title>Re:Boorrinng</title>
	<author>smitty777</author>
	<datestamp>1261423500000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>How can you read the subject title of this post without hearing with the sound of <a href="http://www.youtube.com/watch?v=z6kVBGeQeR4" title="youtube.com">Mr. Kruger's voice (at 2:40)?</a> [youtube.com]</p></htmltext>
<tokenext>How can you read the subject title of this post without hearing with the sound of Mr. Kruger 's voice ( at 2 : 40 ) ?
[ youtube.com ]</tokentext>
<sentencetext>How can you read the subject title of this post without hearing with the sound of Mr. Kruger's voice (at 2:40)?
[youtube.com]</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30512812</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30516842</id>
	<title>Re:So if it hits...</title>
	<author>Gilmoure</author>
	<datestamp>1261390200000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>Local lotto here is 1 in 14,000,000.</p><p>Let's see, become a millionaire before planet gets whacked? Good thing I'm not a betting man.</p></htmltext>
<tokenext>Local lotto here is 1 in 14,000,000.Let 's see , become a millionaire before planet gets whacked ?
Good thing I 'm not a betting man .</tokentext>
<sentencetext>Local lotto here is 1 in 14,000,000.Let's see, become a millionaire before planet gets whacked?
Good thing I'm not a betting man.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30512666</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30521756</id>
	<title>Obligatory...</title>
	<author>SteelCat</author>
	<datestamp>1261477020000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>"Carter, I can see my house!"</htmltext>
<tokenext>" Carter , I can see my house !
"</tokentext>
<sentencetext>"Carter, I can see my house!
"</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30516028</id>
	<title>Hitchhike</title>
	<author>Anonymous</author>
	<datestamp>1261386120000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext>2029, I'm there dude, traveling won't get any cheaper!</htmltext>
<tokenext>2029 , I 'm there dude , traveling wo n't get any cheaper !</tokentext>
<sentencetext>2029, I'm there dude, traveling won't get any cheaper!</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30513498</id>
	<title>Re:Impact Simulations</title>
	<author>GigG</author>
	<datestamp>1261417920000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>"hardships for earth's inhabitants"<br> <br>

Now that is an understatement.</htmltext>
<tokenext>" hardships for earth 's inhabitants " Now that is an understatement .</tokentext>
<sentencetext>"hardships for earth's inhabitants" 

Now that is an understatement.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30513378</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30514046</id>
	<title>What about landing a probe?</title>
	<author>Anonymous</author>
	<datestamp>1261420260000</datestamp>
	<modclass>Interestin</modclass>
	<modscore>1</modscore>
	<htmltext><p>This strikes me as a great opportunity - the asteroid will be passing closer than any other large body has ever come to Earth.  I wonder if it would be practical to land a probe on the surface as it passes by.  This could provide us with a lot of great science.</p></htmltext>
<tokenext>This strikes me as a great opportunity - the asteroid will be passing closer than any other large body has ever come to Earth .
I wonder if it would be practical to land a probe on the surface as it passes by .
This could provide us with a lot of great science .</tokentext>
<sentencetext>This strikes me as a great opportunity - the asteroid will be passing closer than any other large body has ever come to Earth.
I wonder if it would be practical to land a probe on the surface as it passes by.
This could provide us with a lot of great science.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30513114</id>
	<title>we've had worse</title>
	<author>Anonymous</author>
	<datestamp>1261416180000</datestamp>
	<modclass>Interestin</modclass>
	<modscore>1</modscore>
	<htmltext><p>I think the asteroid that just missed us (was that last month?) came closer than this will.<br>the only difference is we didn't see it coming.</p></htmltext>
<tokenext>I think the asteroid that just missed us ( was that last month ?
) came closer than this will.the only difference is we did n't see it coming .</tokentext>
<sentencetext>I think the asteroid that just missed us (was that last month?
) came closer than this will.the only difference is we didn't see it coming.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30514236</id>
	<title>This is a genuine question.</title>
	<author>slasho81</author>
	<datestamp>1261421220000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>Given that we can measure the location of nearby space objects with fairly good accuracy and the laws of physics at that magnitude are not fuzzy as in smaller scales, what are the unknowns that make such an impact a 1 in X possibility and not a certain Hit/Miss?</htmltext>
<tokenext>Given that we can measure the location of nearby space objects with fairly good accuracy and the laws of physics at that magnitude are not fuzzy as in smaller scales , what are the unknowns that make such an impact a 1 in X possibility and not a certain Hit/Miss ?</tokentext>
<sentencetext>Given that we can measure the location of nearby space objects with fairly good accuracy and the laws of physics at that magnitude are not fuzzy as in smaller scales, what are the unknowns that make such an impact a 1 in X possibility and not a certain Hit/Miss?</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30515566</id>
	<title>Direct link</title>
	<author>Drakin020</author>
	<datestamp>1261426980000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>How about we link directly to the simulation and dodge all the blog spam.</p><p><a href="http://neo.jpl.nasa.gov/news/news146.html" title="nasa.gov">http://neo.jpl.nasa.gov/news/news146.html</a> [nasa.gov]</p></htmltext>
<tokenext>How about we link directly to the simulation and dodge all the blog spam.http : //neo.jpl.nasa.gov/news/news146.html [ nasa.gov ]</tokentext>
<sentencetext>How about we link directly to the simulation and dodge all the blog spam.http://neo.jpl.nasa.gov/news/news146.html [nasa.gov]</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30521894</id>
	<title>Re:Impact Simulations</title>
	<author>Anonymous</author>
	<datestamp>1261478820000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>Thank goodness we've been pre-heating the planet with global warming - to offset that "nuclear winter"!</p></htmltext>
<tokenext>Thank goodness we 've been pre-heating the planet with global warming - to offset that " nuclear winter " !</tokentext>
<sentencetext>Thank goodness we've been pre-heating the planet with global warming - to offset that "nuclear winter"!</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30513378</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30516424</id>
	<title>Re:Impact the moon?</title>
	<author>Anonymous</author>
	<datestamp>1261387980000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>Not being an astrophysicist I can't give the exact list of ramifications but the scenario of a large object impact with Earth's moon could be equally devastating to life on earth.</p><p>The moon itself could be destroyed, possibly forcing massive amounts of material towards the earth; the moon's orbit could be dramatically changed towards earth (much the same as Theia and the Big Whack) or away from the earth; in either case, the results would have an enormous impact on  earth's environment.</p><p>Any change to the moon's orbit would at a minimum change earth's tidal system but the list of changes to earth in a best case scenario is likely to be quite extensive.</p></htmltext>
<tokenext>Not being an astrophysicist I ca n't give the exact list of ramifications but the scenario of a large object impact with Earth 's moon could be equally devastating to life on earth.The moon itself could be destroyed , possibly forcing massive amounts of material towards the earth ; the moon 's orbit could be dramatically changed towards earth ( much the same as Theia and the Big Whack ) or away from the earth ; in either case , the results would have an enormous impact on earth 's environment.Any change to the moon 's orbit would at a minimum change earth 's tidal system but the list of changes to earth in a best case scenario is likely to be quite extensive .</tokentext>
<sentencetext>Not being an astrophysicist I can't give the exact list of ramifications but the scenario of a large object impact with Earth's moon could be equally devastating to life on earth.The moon itself could be destroyed, possibly forcing massive amounts of material towards the earth; the moon's orbit could be dramatically changed towards earth (much the same as Theia and the Big Whack) or away from the earth; in either case, the results would have an enormous impact on  earth's environment.Any change to the moon's orbit would at a minimum change earth's tidal system but the list of changes to earth in a best case scenario is likely to be quite extensive.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30513348</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30516292</id>
	<title>2029? this is good...</title>
	<author>Xtacy</author>
	<datestamp>1261387320000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>maybe it will take care of that skynet problem for us</p></htmltext>
<tokenext>maybe it will take care of that skynet problem for us</tokentext>
<sentencetext>maybe it will take care of that skynet problem for us</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30514522</id>
	<title>Odds</title>
	<author>mqduck</author>
	<datestamp>1261422360000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>You know, 1 in 250,000 is of course a very, very, very (very, very) low chance, but... it's still a not insignificant possibility. That's slightly (very, very, very, very, very slightly) scary.</p></htmltext>
<tokenext>You know , 1 in 250,000 is of course a very , very , very ( very , very ) low chance , but... it 's still a not insignificant possibility .
That 's slightly ( very , very , very , very , very slightly ) scary .</tokentext>
<sentencetext>You know, 1 in 250,000 is of course a very, very, very (very, very) low chance, but... it's still a not insignificant possibility.
That's slightly (very, very, very, very, very slightly) scary.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30515112</id>
	<title>Re:Looks like our force field will save us</title>
	<author>Nyeerrmm</author>
	<datestamp>1261424880000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>In 2029 the asteroid 99942 Apophis will pass well within the GEO satellite belt (36,000 km), but will not impact the Earth.   The video simulates this trajectory and as the Earth approaches for a few moments it appears that an impact is likely.  However, this is an illusion  where the Earth merely dominates the field of view and the in-plane relative velocity is much larger than the horizontal relative velocity.</p><p>To be clear, the orbit of the asteroid as it enters the Earth's sphere of influence is a very high-energy hyperbolic orbit, where the closest point of approach is much further than 6,400 km (the Earth's radius).</p></htmltext>
<tokenext>In 2029 the asteroid 99942 Apophis will pass well within the GEO satellite belt ( 36,000 km ) , but will not impact the Earth .
The video simulates this trajectory and as the Earth approaches for a few moments it appears that an impact is likely .
However , this is an illusion where the Earth merely dominates the field of view and the in-plane relative velocity is much larger than the horizontal relative velocity.To be clear , the orbit of the asteroid as it enters the Earth 's sphere of influence is a very high-energy hyperbolic orbit , where the closest point of approach is much further than 6,400 km ( the Earth 's radius ) .</tokentext>
<sentencetext>In 2029 the asteroid 99942 Apophis will pass well within the GEO satellite belt (36,000 km), but will not impact the Earth.
The video simulates this trajectory and as the Earth approaches for a few moments it appears that an impact is likely.
However, this is an illusion  where the Earth merely dominates the field of view and the in-plane relative velocity is much larger than the horizontal relative velocity.To be clear, the orbit of the asteroid as it enters the Earth's sphere of influence is a very high-energy hyperbolic orbit, where the closest point of approach is much further than 6,400 km (the Earth's radius).</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30513300</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30515336</id>
	<title>Re:Impact the moon?</title>
	<author>Nyeerrmm</author>
	<datestamp>1261425840000</datestamp>
	<modclass>Informativ</modclass>
	<modscore>2</modscore>
	<htmltext><p>It is certain not to hit the moon on this pass, just as its guaranteed not to hit the Earth.  Uncertainty of the asteroid's position is within 10s of kilometers, more than enough to make sure theres no risk of that.</p><p>If it were to impact the moon, we can determine the relative Delta-V it would apply.  The velocity of the asteroid relative to the Earth moon system upon entry is approximately 5.9 km/s, according the JPL NEO page, and has a mass of ~2.7e10 kg.  The Moon is moving at ~1 km/s and has a mass of 7.3e22 kg.  Assuming an inelastic collision, and that the impact is along the velocity vector (where it will have the largest impact), and applying conservation of momentum, you get a whopping 1.8 nm/s velocity change.  So basically, the asteroid is far too small to have any kind of noticeable effect on the moon.  Looking at the surface these kind of events happen all the time (cosmologically).</p></htmltext>
<tokenext>It is certain not to hit the moon on this pass , just as its guaranteed not to hit the Earth .
Uncertainty of the asteroid 's position is within 10s of kilometers , more than enough to make sure theres no risk of that.If it were to impact the moon , we can determine the relative Delta-V it would apply .
The velocity of the asteroid relative to the Earth moon system upon entry is approximately 5.9 km/s , according the JPL NEO page , and has a mass of ~ 2.7e10 kg .
The Moon is moving at ~ 1 km/s and has a mass of 7.3e22 kg .
Assuming an inelastic collision , and that the impact is along the velocity vector ( where it will have the largest impact ) , and applying conservation of momentum , you get a whopping 1.8 nm/s velocity change .
So basically , the asteroid is far too small to have any kind of noticeable effect on the moon .
Looking at the surface these kind of events happen all the time ( cosmologically ) .</tokentext>
<sentencetext>It is certain not to hit the moon on this pass, just as its guaranteed not to hit the Earth.
Uncertainty of the asteroid's position is within 10s of kilometers, more than enough to make sure theres no risk of that.If it were to impact the moon, we can determine the relative Delta-V it would apply.
The velocity of the asteroid relative to the Earth moon system upon entry is approximately 5.9 km/s, according the JPL NEO page, and has a mass of ~2.7e10 kg.
The Moon is moving at ~1 km/s and has a mass of 7.3e22 kg.
Assuming an inelastic collision, and that the impact is along the velocity vector (where it will have the largest impact), and applying conservation of momentum, you get a whopping 1.8 nm/s velocity change.
So basically, the asteroid is far too small to have any kind of noticeable effect on the moon.
Looking at the surface these kind of events happen all the time (cosmologically).</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30513348</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30512736</id>
	<title>it's on now!</title>
	<author>Anonymous</author>
	<datestamp>1261414680000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>it's time for a war on space!</p></htmltext>
<tokenext>it 's time for a war on space !</tokentext>
<sentencetext>it's time for a war on space!</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30512666</id>
	<title>So if it hits...</title>
	<author>Anonymous</author>
	<datestamp>1261414260000</datestamp>
	<modclass>Funny</modclass>
	<modscore>2</modscore>
	<htmltext><p>That means we won the global armageddon lottery?</p></htmltext>
<tokenext>That means we won the global armageddon lottery ?</tokentext>
<sentencetext>That means we won the global armageddon lottery?</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30515786</id>
	<title>Re:Danger... or opportunity?</title>
	<author>Anonymous</author>
	<datestamp>1261428000000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>Why not just shoot a rocket at it to make it hit earth instead of miss it?<br>Then we could mine it!<br>Deflecting a 2.7 * 10^10 KG object 18,300 miles in 16 years sounds very feasible.</p><p>Or alternatively, you have a 2.7 * 10^10 KG object going at 30 km/s.<br>Earth escape velocity is 11.1 Km/s.</p><p>So to get it to land gently on earth, we just need to hit it with around 9000 Saturn V's going at 2x escape velocity right before it passes by us uneventfully.</p></htmltext>
<tokenext>Why not just shoot a rocket at it to make it hit earth instead of miss it ? Then we could mine it ! Deflecting a 2.7 * 10 ^ 10 KG object 18,300 miles in 16 years sounds very feasible.Or alternatively , you have a 2.7 * 10 ^ 10 KG object going at 30 km/s.Earth escape velocity is 11.1 Km/s.So to get it to land gently on earth , we just need to hit it with around 9000 Saturn V 's going at 2x escape velocity right before it passes by us uneventfully .</tokentext>
<sentencetext>Why not just shoot a rocket at it to make it hit earth instead of miss it?Then we could mine it!Deflecting a 2.7 * 10^10 KG object 18,300 miles in 16 years sounds very feasible.Or alternatively, you have a 2.7 * 10^10 KG object going at 30 km/s.Earth escape velocity is 11.1 Km/s.So to get it to land gently on earth, we just need to hit it with around 9000 Saturn V's going at 2x escape velocity right before it passes by us uneventfully.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30512866</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30512876</id>
	<title>Re:Danger... or opportunity?</title>
	<author>nedlohs</author>
	<datestamp>1261415220000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>Do you have any idea how much energy would be required to capture it?</p><p>You'd be better off putting some sort of automatic mining robot on it and having it launch just the extracted material on the next pass by earth (though I have no idea how close it comes on future orbits). Well aside from us not having the tech for that yet.</p><p>Actually I'm pretty sure that's a standard sci-fi technique. Send the big mining robot to the asteroid. It then starts processing the asteroid and ejects the waste material in order to produce thrust to head towards Earth (aiming for an orbit rather than a collision<nobr> <wbr></nobr>:).</p></htmltext>
<tokenext>Do you have any idea how much energy would be required to capture it ? You 'd be better off putting some sort of automatic mining robot on it and having it launch just the extracted material on the next pass by earth ( though I have no idea how close it comes on future orbits ) .
Well aside from us not having the tech for that yet.Actually I 'm pretty sure that 's a standard sci-fi technique .
Send the big mining robot to the asteroid .
It then starts processing the asteroid and ejects the waste material in order to produce thrust to head towards Earth ( aiming for an orbit rather than a collision : ) .</tokentext>
<sentencetext>Do you have any idea how much energy would be required to capture it?You'd be better off putting some sort of automatic mining robot on it and having it launch just the extracted material on the next pass by earth (though I have no idea how close it comes on future orbits).
Well aside from us not having the tech for that yet.Actually I'm pretty sure that's a standard sci-fi technique.
Send the big mining robot to the asteroid.
It then starts processing the asteroid and ejects the waste material in order to produce thrust to head towards Earth (aiming for an orbit rather than a collision :).</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30512714</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30512866</id>
	<title>Re:Danger... or opportunity?</title>
	<author>PolygamousRanchKid </author>
	<datestamp>1261415220000</datestamp>
	<modclass>Funny</modclass>
	<modscore>5</modscore>
	<htmltext><p>Hmmm . . . a giant harpoon, tethered by a long nanotube to the Earth.  We could nail that asteroid, like Captain Ahab did to Moby Dick.  We could travel back and forth on a space elevator.  The more alcohol I drink, the better this idea sounds!</p></htmltext>
<tokenext>Hmmm .
. .
a giant harpoon , tethered by a long nanotube to the Earth .
We could nail that asteroid , like Captain Ahab did to Moby Dick .
We could travel back and forth on a space elevator .
The more alcohol I drink , the better this idea sounds !</tokentext>
<sentencetext>Hmmm .
. .
a giant harpoon, tethered by a long nanotube to the Earth.
We could nail that asteroid, like Captain Ahab did to Moby Dick.
We could travel back and forth on a space elevator.
The more alcohol I drink, the better this idea sounds!</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30512714</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30515222</id>
	<title>Re:In case of slashdotting</title>
	<author>msgtomatt</author>
	<datestamp>1261425360000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p><div class="quote"><p>more recent calculations have put the odds of collision at 1 in 250,000</p></div><p> A lot of people buy lottery tickets hoping win big money with odds a lot worse than that!</p></div>
	</htmltext>
<tokenext>more recent calculations have put the odds of collision at 1 in 250,000 A lot of people buy lottery tickets hoping win big money with odds a lot worse than that !</tokentext>
<sentencetext>more recent calculations have put the odds of collision at 1 in 250,000 A lot of people buy lottery tickets hoping win big money with odds a lot worse than that!
	</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30512704</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30513378</id>
	<title>Impact Simulations</title>
	<author>smitty777</author>
	<datestamp>1261417380000</datestamp>
	<modclass>Interestin</modclass>
	<modscore>4</modscore>
	<htmltext><p>I'm surprised the original post didn't link to <a href="http://www.sandia.gov/media/comethit.htm" title="sandia.gov">this article from Sandia National Labs</a> [sandia.gov].  There is a pretty interesting analysis of what would actually happen if an asteroid did hit (complete with nifty graphics).  <br>
&nbsp; <br>From the Sandia article:<i>So what would happen during such an impact, really? According to the simulation, the impact would vaporize the asteroid, deform the ocean floor, and eject hundreds of cubic miles of superheated water vapor, melted rock, and other debris into the upper atmosphere and back into space. Much of the debris would then rain down over the world for the next several hours and also form a high global cloud, says David Crawford of Sandia's Computational Physics and Mechanics Department. The shock wave from the impact would level much of the New England region. The heat would incinerate cities and forests there instantaneously. The global cloud would then lower temperatures worldwide, and a global snowstorm likely would ensue and last several days to several weeks, initiating a "nuclear winter" that would create more hardships for earth's inhabitants. </i></p></htmltext>
<tokenext>I 'm surprised the original post did n't link to this article from Sandia National Labs [ sandia.gov ] .
There is a pretty interesting analysis of what would actually happen if an asteroid did hit ( complete with nifty graphics ) .
  From the Sandia article : So what would happen during such an impact , really ?
According to the simulation , the impact would vaporize the asteroid , deform the ocean floor , and eject hundreds of cubic miles of superheated water vapor , melted rock , and other debris into the upper atmosphere and back into space .
Much of the debris would then rain down over the world for the next several hours and also form a high global cloud , says David Crawford of Sandia 's Computational Physics and Mechanics Department .
The shock wave from the impact would level much of the New England region .
The heat would incinerate cities and forests there instantaneously .
The global cloud would then lower temperatures worldwide , and a global snowstorm likely would ensue and last several days to several weeks , initiating a " nuclear winter " that would create more hardships for earth 's inhabitants .</tokentext>
<sentencetext>I'm surprised the original post didn't link to this article from Sandia National Labs [sandia.gov].
There is a pretty interesting analysis of what would actually happen if an asteroid did hit (complete with nifty graphics).
  From the Sandia article:So what would happen during such an impact, really?
According to the simulation, the impact would vaporize the asteroid, deform the ocean floor, and eject hundreds of cubic miles of superheated water vapor, melted rock, and other debris into the upper atmosphere and back into space.
Much of the debris would then rain down over the world for the next several hours and also form a high global cloud, says David Crawford of Sandia's Computational Physics and Mechanics Department.
The shock wave from the impact would level much of the New England region.
The heat would incinerate cities and forests there instantaneously.
The global cloud would then lower temperatures worldwide, and a global snowstorm likely would ensue and last several days to several weeks, initiating a "nuclear winter" that would create more hardships for earth's inhabitants. </sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30512846</id>
	<title>Where's The OTHER Simulation?</title>
	<author>BiggoronSword</author>
	<datestamp>1261415160000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>Where's the <strong>OTHER</strong> simulation?  You know... the one where this asteroid comes back and <em>actually</em> strikes Earth.</htmltext>
<tokenext>Where 's the OTHER simulation ?
You know... the one where this asteroid comes back and actually strikes Earth .</tokentext>
<sentencetext>Where's the OTHER simulation?
You know... the one where this asteroid comes back and actually strikes Earth.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30520320</id>
	<title>"How Much?" - The Numbers, Calculated</title>
	<author>Larson2042</author>
	<datestamp>1261415400000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>Here's what it would take to capture Apophis:
<br> <br>
I'm assuming that the capture will take place on the 2029 encounter and that the perigee of any capture orbit is equal to the closest approach distance (this makes the calculations simple enough that I felt like doing them to post on slashdot).
<br> <br>
So to capture into a circular orbit would take an instantaneous delta-v of: 4.18455 km/s. (Capturing into a highly elliptic orbit (e=0.9) doesn't reduce the delta-v by all that much (4.13677 km/s instead of 4.18).
<br> <br>
Assuming the mass on Wikipedia is right (2.7e10 kg), and using space shuttle main engines (Isp\_vacuum = 450 sec), it would take 1.65e10 kg of propellant to achieve the 4.18 km/s delta-v. So, a lot. (More than 1 million Delta IV heavies worth of payload capacity to orbit).
<br> <br>
Going to a higher specific impulse form of propulsion, like Ion thrusters with Isp from 3000 to 30000 would take between 3.58e9 kg and 3.81e8 kg of propellant, respectively. Though Ion thrusters are about as far away from applying an instantaneous delta-v as you can get (except maybe solar sails or other neat little things like that).
<br> <br>
In conclusion, it would take a hell of a lot of effort to capture Apophis.</htmltext>
<tokenext>Here 's what it would take to capture Apophis : I 'm assuming that the capture will take place on the 2029 encounter and that the perigee of any capture orbit is equal to the closest approach distance ( this makes the calculations simple enough that I felt like doing them to post on slashdot ) .
So to capture into a circular orbit would take an instantaneous delta-v of : 4.18455 km/s .
( Capturing into a highly elliptic orbit ( e = 0.9 ) does n't reduce the delta-v by all that much ( 4.13677 km/s instead of 4.18 ) .
Assuming the mass on Wikipedia is right ( 2.7e10 kg ) , and using space shuttle main engines ( Isp \ _vacuum = 450 sec ) , it would take 1.65e10 kg of propellant to achieve the 4.18 km/s delta-v. So , a lot .
( More than 1 million Delta IV heavies worth of payload capacity to orbit ) .
Going to a higher specific impulse form of propulsion , like Ion thrusters with Isp from 3000 to 30000 would take between 3.58e9 kg and 3.81e8 kg of propellant , respectively .
Though Ion thrusters are about as far away from applying an instantaneous delta-v as you can get ( except maybe solar sails or other neat little things like that ) .
In conclusion , it would take a hell of a lot of effort to capture Apophis .</tokentext>
<sentencetext>Here's what it would take to capture Apophis:
 
I'm assuming that the capture will take place on the 2029 encounter and that the perigee of any capture orbit is equal to the closest approach distance (this makes the calculations simple enough that I felt like doing them to post on slashdot).
So to capture into a circular orbit would take an instantaneous delta-v of: 4.18455 km/s.
(Capturing into a highly elliptic orbit (e=0.9) doesn't reduce the delta-v by all that much (4.13677 km/s instead of 4.18).
Assuming the mass on Wikipedia is right (2.7e10 kg), and using space shuttle main engines (Isp\_vacuum = 450 sec), it would take 1.65e10 kg of propellant to achieve the 4.18 km/s delta-v. So, a lot.
(More than 1 million Delta IV heavies worth of payload capacity to orbit).
Going to a higher specific impulse form of propulsion, like Ion thrusters with Isp from 3000 to 30000 would take between 3.58e9 kg and 3.81e8 kg of propellant, respectively.
Though Ion thrusters are about as far away from applying an instantaneous delta-v as you can get (except maybe solar sails or other neat little things like that).
In conclusion, it would take a hell of a lot of effort to capture Apophis.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30513432</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30514174</id>
	<title>Re:Impact Simulations</title>
	<author>Arthur Grumbine</author>
	<datestamp>1261420800000</datestamp>
	<modclass>Informativ</modclass>
	<modscore>2</modscore>
	<htmltext>Actually your link appears to be about the simulation of a 1.4 km diameter asteroid. Apophis is 0.27 km in diameter. Assuming roughly equivalent densities that would mean a ratio of 2.744 to 0.019683, or 139 to 1, for their respective masses. It seems that more than two degrees of magnitude would demand a new simulation.</htmltext>
<tokenext>Actually your link appears to be about the simulation of a 1.4 km diameter asteroid .
Apophis is 0.27 km in diameter .
Assuming roughly equivalent densities that would mean a ratio of 2.744 to 0.019683 , or 139 to 1 , for their respective masses .
It seems that more than two degrees of magnitude would demand a new simulation .</tokentext>
<sentencetext>Actually your link appears to be about the simulation of a 1.4 km diameter asteroid.
Apophis is 0.27 km in diameter.
Assuming roughly equivalent densities that would mean a ratio of 2.744 to 0.019683, or 139 to 1, for their respective masses.
It seems that more than two degrees of magnitude would demand a new simulation.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30513378</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30516664</id>
	<title>Re:Cue 13-yr-old Corrects NASA, again.</title>
	<author>ceoyoyo</author>
	<datestamp>1261389300000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>Even if the kid's non peer reviewed work were valid, that was calculating the impact risk on the pass AFTER the next one.</p></htmltext>
<tokenext>Even if the kid 's non peer reviewed work were valid , that was calculating the impact risk on the pass AFTER the next one .</tokentext>
<sentencetext>Even if the kid's non peer reviewed work were valid, that was calculating the impact risk on the pass AFTER the next one.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30513860</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30515260</id>
	<title>Simulartions are boring</title>
	<author>chord.wav</author>
	<datestamp>1261425480000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>Show me the arcade mode</htmltext>
<tokenext>Show me the arcade mode</tokentext>
<sentencetext>Show me the arcade mode</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30516678</id>
	<title>Re:What about landing a probe?</title>
	<author>ceoyoyo</author>
	<datestamp>1261389360000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>It's going a wee bit fast.</p></htmltext>
<tokenext>It 's going a wee bit fast .</tokentext>
<sentencetext>It's going a wee bit fast.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30514046</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30522132</id>
	<title>Re:relative risk</title>
	<author>junglee\_iitk</author>
	<datestamp>1261482240000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>The same thing that happens to everything else.</p></htmltext>
<tokenext>The same thing that happens to everything else .</tokentext>
<sentencetext>The same thing that happens to everything else.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30512766</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30512812</id>
	<title>Boorrinng</title>
	<author>Anonymous</author>
	<datestamp>1261414980000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>I'd rather see the simulation of it hitting earth.</p></htmltext>
<tokenext>I 'd rather see the simulation of it hitting earth .</tokentext>
<sentencetext>I'd rather see the simulation of it hitting earth.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30515372</id>
	<title>Re:Apophis? But I thought...</title>
	<author>Nyeerrmm</author>
	<datestamp>1261426080000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>Actually, the discoverers claim that during the initial days when it was a 1/300 impact risk, a god of destruction seemed like a good name.  However, it also turns out that they were SG-1 fans...</p></htmltext>
<tokenext>Actually , the discoverers claim that during the initial days when it was a 1/300 impact risk , a god of destruction seemed like a good name .
However , it also turns out that they were SG-1 fans.. .</tokentext>
<sentencetext>Actually, the discoverers claim that during the initial days when it was a 1/300 impact risk, a god of destruction seemed like a good name.
However, it also turns out that they were SG-1 fans...</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30513782</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30512714</id>
	<title>Danger... or opportunity?</title>
	<author>downix</author>
	<datestamp>1261414500000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>These rocks are high in minerals which are very useful.  Who'se with me, capturing this thing, and turning it into a gigantic orbiting factory?</p></htmltext>
<tokenext>These rocks are high in minerals which are very useful .
Who'se with me , capturing this thing , and turning it into a gigantic orbiting factory ?</tokentext>
<sentencetext>These rocks are high in minerals which are very useful.
Who'se with me, capturing this thing, and turning it into a gigantic orbiting factory?</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30512728</id>
	<title>I could've sworn...</title>
	<author>cwiegmann24</author>
	<datestamp>1261414620000</datestamp>
	<modclass>Insightful</modclass>
	<modscore>3</modscore>
	<htmltext>...that the odds were 4 in a million...</htmltext>
<tokenext>...that the odds were 4 in a million.. .</tokentext>
<sentencetext>...that the odds were 4 in a million...</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30513432</id>
	<title>You Pose An Excellent Question, "How Much?"</title>
	<author>LifesABeach</author>
	<datestamp>1261417620000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>I don't know anything about Orbital Mechanics, but just for the sake of Robert Kennedy's ghost, I ask, "Why Not?"  "IF" the entire planet said, "Yes, capture this object, regardless of cost, do it".  Granted, by comparison of future technologies, it would look like a 1950's art deco solution, but what would it take to put this thing in orbit for the sole purpose of mining it to build orbiting manufacturing, and agricultural facilities? And just so perspective is brought into the mix.  It really doesn't make sense that it takes 100's of millions of dollars to train geniuses to put a Nut on a Bolt in space.  And why can't a Laser be used to slice the thing up like a Deli-Salami? or use a Laser to "Push" the thing around?<br>
<br>
"What makes the Impossible, Possible, are Numbers." - Unknown</htmltext>
<tokenext>I do n't know anything about Orbital Mechanics , but just for the sake of Robert Kennedy 's ghost , I ask , " Why Not ?
" " IF " the entire planet said , " Yes , capture this object , regardless of cost , do it " .
Granted , by comparison of future technologies , it would look like a 1950 's art deco solution , but what would it take to put this thing in orbit for the sole purpose of mining it to build orbiting manufacturing , and agricultural facilities ?
And just so perspective is brought into the mix .
It really does n't make sense that it takes 100 's of millions of dollars to train geniuses to put a Nut on a Bolt in space .
And why ca n't a Laser be used to slice the thing up like a Deli-Salami ?
or use a Laser to " Push " the thing around ?
" What makes the Impossible , Possible , are Numbers .
" - Unknown</tokentext>
<sentencetext>I don't know anything about Orbital Mechanics, but just for the sake of Robert Kennedy's ghost, I ask, "Why Not?
"  "IF" the entire planet said, "Yes, capture this object, regardless of cost, do it".
Granted, by comparison of future technologies, it would look like a 1950's art deco solution, but what would it take to put this thing in orbit for the sole purpose of mining it to build orbiting manufacturing, and agricultural facilities?
And just so perspective is brought into the mix.
It really doesn't make sense that it takes 100's of millions of dollars to train geniuses to put a Nut on a Bolt in space.
And why can't a Laser be used to slice the thing up like a Deli-Salami?
or use a Laser to "Push" the thing around?
"What makes the Impossible, Possible, are Numbers.
" - Unknown</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30512876</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30512704</id>
	<title>In case of slashdotting</title>
	<author>Anonymous</author>
	<datestamp>1261414440000</datestamp>
	<modclass>Funny</modclass>
	<modscore>5</modscore>
	<htmltext><p>*  O - Earth<br>|<br>| ---- Asteroid<br>|</p></htmltext>
<tokenext>* O - Earth | | ---- Asteroid |</tokentext>
<sentencetext>*  O - Earth|| ---- Asteroid|</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30513286</id>
	<title>No worries ...</title>
	<author>Anonymous</author>
	<datestamp>1261416900000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>Why's everyone so worried about this?  We all know the world is going to end in 2012.</p></htmltext>
<tokenext>Why 's everyone so worried about this ?
We all know the world is going to end in 2012 .</tokentext>
<sentencetext>Why's everyone so worried about this?
We all know the world is going to end in 2012.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30512840</id>
	<title>Thank goodness</title>
	<author>SnarfQuest</author>
	<datestamp>1261415100000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>Good thing it ony 250,000 to 1. If it were 1,000,000 to 1, then we'd be doomed</p></htmltext>
<tokenext>Good thing it ony 250,000 to 1 .
If it were 1,000,000 to 1 , then we 'd be doomed</tokentext>
<sentencetext>Good thing it ony 250,000 to 1.
If it were 1,000,000 to 1, then we'd be doomed</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30514148</id>
	<title>I'm not going to lose any sleep over this...</title>
	<author>hyades1</author>
	<datestamp>1261420740000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p><nobr> <wbr></nobr>...but the odds of a strike are still a lot better than the odds of winning a major lottery. </p></htmltext>
<tokenext>...but the odds of a strike are still a lot better than the odds of winning a major lottery .</tokentext>
<sentencetext> ...but the odds of a strike are still a lot better than the odds of winning a major lottery. </sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30512766</id>
	<title>relative risk</title>
	<author>yincrash</author>
	<datestamp>1261414800000</datestamp>
	<modclass>Informativ</modclass>
	<modscore>2</modscore>
	<htmltext>apparently there is a better chance of this happening than getting struck by lightning.

<a href="http://www.lightningsafety.com/nlsi\_pls/probability.html" title="lightningsafety.com">http://www.lightningsafety.com/nlsi\_pls/probability.html</a> [lightningsafety.com]

what happens when a slider tries to visit that world?</htmltext>
<tokenext>apparently there is a better chance of this happening than getting struck by lightning .
http : //www.lightningsafety.com/nlsi \ _pls/probability.html [ lightningsafety.com ] what happens when a slider tries to visit that world ?</tokentext>
<sentencetext>apparently there is a better chance of this happening than getting struck by lightning.
http://www.lightningsafety.com/nlsi\_pls/probability.html [lightningsafety.com]

what happens when a slider tries to visit that world?</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30515816</id>
	<title>Deep Armageddon...</title>
	<author>kizza42</author>
	<datestamp>1261428240000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>I like how the continental USA swings into view as the asteroid has its closest encounter, Hollywood wouldn't have it any other way! Would that part of the simulation be accurate? Australia might just survive this disaster scenario like all the other disaster movies where we dodge/jump the bullet/shark!</htmltext>
<tokenext>I like how the continental USA swings into view as the asteroid has its closest encounter , Hollywood would n't have it any other way !
Would that part of the simulation be accurate ?
Australia might just survive this disaster scenario like all the other disaster movies where we dodge/jump the bullet/shark !</tokentext>
<sentencetext>I like how the continental USA swings into view as the asteroid has its closest encounter, Hollywood wouldn't have it any other way!
Would that part of the simulation be accurate?
Australia might just survive this disaster scenario like all the other disaster movies where we dodge/jump the bullet/shark!</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30513300</id>
	<title>Looks like our force field will save us</title>
	<author>nysus</author>
	<datestamp>1261417020000</datestamp>
	<modclass>Funny</modclass>
	<modscore>2</modscore>
	<htmltext><p>In that animation, the asteroid was apparently deflected by the earth's force field. Either that or I just don't understand what's going on. Can someone kindly explain what the video is showing?</p></htmltext>
<tokenext>In that animation , the asteroid was apparently deflected by the earth 's force field .
Either that or I just do n't understand what 's going on .
Can someone kindly explain what the video is showing ?</tokentext>
<sentencetext>In that animation, the asteroid was apparently deflected by the earth's force field.
Either that or I just don't understand what's going on.
Can someone kindly explain what the video is showing?</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30513132</id>
	<title>Re:Danger... or opportunity?</title>
	<author>rossdee</author>
	<datestamp>1261416240000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>Given that they thought it might hit on the next pass (if it came close enough for the earths gravity to affect it this time) thrn i think that it should be easy for a robot to thrw up some rocks at the right time on the next pass and have them land on earth. (Bonus points if you can land them on somebody you don't like (Korea, Iran...)</p></htmltext>
<tokenext>Given that they thought it might hit on the next pass ( if it came close enough for the earths gravity to affect it this time ) thrn i think that it should be easy for a robot to thrw up some rocks at the right time on the next pass and have them land on earth .
( Bonus points if you can land them on somebody you do n't like ( Korea , Iran... )</tokentext>
<sentencetext>Given that they thought it might hit on the next pass (if it came close enough for the earths gravity to affect it this time) thrn i think that it should be easy for a robot to thrw up some rocks at the right time on the next pass and have them land on earth.
(Bonus points if you can land them on somebody you don't like (Korea, Iran...)</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30512876</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30512834</id>
	<title>Question</title>
	<author>rdavidson3</author>
	<datestamp>1261415100000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>With this asteroid coming so close to earth, obviously the flight path of it is going to change afterward.  Any chance of this being captured in orbit?  Or will this be flung somewhere else in the solar system?  Or worse, coming back if it doesn't have enough energy to carry on?</htmltext>
<tokenext>With this asteroid coming so close to earth , obviously the flight path of it is going to change afterward .
Any chance of this being captured in orbit ?
Or will this be flung somewhere else in the solar system ?
Or worse , coming back if it does n't have enough energy to carry on ?</tokentext>
<sentencetext>With this asteroid coming so close to earth, obviously the flight path of it is going to change afterward.
Any chance of this being captured in orbit?
Or will this be flung somewhere else in the solar system?
Or worse, coming back if it doesn't have enough energy to carry on?</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30515502</id>
	<title>That's FRIDAY April 13, 2029</title>
	<author>Skapare</author>
	<datestamp>1261426680000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>... just to give the complete picture of this.</p></htmltext>
<tokenext>... just to give the complete picture of this .</tokentext>
<sentencetext>... just to give the complete picture of this.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30520322</id>
	<title>Re:Impact Simulations</title>
	<author>Anonymous</author>
	<datestamp>1261415400000</datestamp>
	<modclass>None</modclass>
	<modscore>0</modscore>
	<htmltext><p>Oh crap, I live in New England...</p></htmltext>
<tokenext>Oh crap , I live in New England.. .</tokentext>
<sentencetext>Oh crap, I live in New England...</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30513378</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30516274</id>
	<title>... but for funding...</title>
	<author>Herve5</author>
	<datestamp>1261387200000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>(X) - NASA funding<br>
&nbsp; ^<br>
&nbsp; |  ---- JPL<br>
&nbsp; |</p></htmltext>
<tokenext>( X ) - NASA funding   ^   | ---- JPL   |</tokentext>
<sentencetext>(X) - NASA funding
  ^
  |  ---- JPL
  |</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30512704</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30513280</id>
	<title>Will this affect tides?</title>
	<author>prograde</author>
	<datestamp>1261416900000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>I'm curious, will there be any effect felt on Earth, such as a change in tides?  How massive/close would an object need to be for us to notice it?  This is passing well within the orbit of the moon, but obviously it's much smaller.
</p><p>
Moon = 	7.3 e22 kg and 384,748 km <br>
Apophis = 2.7e10 kg and 29,450 km
</p><p>
I don't remember the entire equation, but the distance term gets squared, and everything else cancels out, so the relative effect should be:
</p><p>
(7.3e22 / (384748)^2 )  /  (2.7e10/(29450)^2)
</p><p><nobr> <wbr></nobr>...so the moon's pull on the tides is  1.5e10 times greater, and I'm guessing Apophis will go unnoticed.
</p><p>
Am I close to doing that right?
</p></htmltext>
<tokenext>I 'm curious , will there be any effect felt on Earth , such as a change in tides ?
How massive/close would an object need to be for us to notice it ?
This is passing well within the orbit of the moon , but obviously it 's much smaller .
Moon = 7.3 e22 kg and 384,748 km Apophis = 2.7e10 kg and 29,450 km I do n't remember the entire equation , but the distance term gets squared , and everything else cancels out , so the relative effect should be : ( 7.3e22 / ( 384748 ) ^ 2 ) / ( 2.7e10/ ( 29450 ) ^ 2 ) ...so the moon 's pull on the tides is 1.5e10 times greater , and I 'm guessing Apophis will go unnoticed .
Am I close to doing that right ?</tokentext>
<sentencetext>I'm curious, will there be any effect felt on Earth, such as a change in tides?
How massive/close would an object need to be for us to notice it?
This is passing well within the orbit of the moon, but obviously it's much smaller.
Moon = 	7.3 e22 kg and 384,748 km 
Apophis = 2.7e10 kg and 29,450 km

I don't remember the entire equation, but the distance term gets squared, and everything else cancels out, so the relative effect should be:

(7.3e22 / (384748)^2 )  /  (2.7e10/(29450)^2)
 ...so the moon's pull on the tides is  1.5e10 times greater, and I'm guessing Apophis will go unnoticed.
Am I close to doing that right?
</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30513070</id>
	<title>Of course Apophis is going to miss Earth in 2029</title>
	<author>scourfish</author>
	<datestamp>1261416000000</datestamp>
	<modclass>Funny</modclass>
	<modscore>2</modscore>
	<htmltext>Earth will have been destroyed 17 years before this happens when Planet Nibiru crosses our orbit in 2012.</htmltext>
<tokenext>Earth will have been destroyed 17 years before this happens when Planet Nibiru crosses our orbit in 2012 .</tokentext>
<sentencetext>Earth will have been destroyed 17 years before this happens when Planet Nibiru crosses our orbit in 2012.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30513270</id>
	<title>A dose of realism, before the plague of ignorance</title>
	<author>starglider29a</author>
	<datestamp>1261416840000</datestamp>
	<modclass>Informativ</modclass>
	<modscore>2</modscore>
	<htmltext>One can download Celestia and make your own simlation! It's not rocket science. It's not, it's astrophysics, and some astronomy math to get the orbit to work. But there is enough data on the net to recreate this... and then tweak it for the earth shattering kaboom!<br> <br>
I wish that someone would make a game of this... where you need to send up a vehicle, bump and asteroid and watch the change. Give us all a chance to crowd source the various "solutions". Learn just how friggin tricky this would be, how long it would take, how little effect we can have. All of this talk about "capturing this asteroid" on this thread alone is sad. The amount of energy in an asteroid's kinetics is astounding. This topic needs a dose of realism.
<br> <br> <b>A POX on Bruce Wyllis!</b></htmltext>
<tokenext>One can download Celestia and make your own simlation !
It 's not rocket science .
It 's not , it 's astrophysics , and some astronomy math to get the orbit to work .
But there is enough data on the net to recreate this... and then tweak it for the earth shattering kaboom !
I wish that someone would make a game of this... where you need to send up a vehicle , bump and asteroid and watch the change .
Give us all a chance to crowd source the various " solutions " .
Learn just how friggin tricky this would be , how long it would take , how little effect we can have .
All of this talk about " capturing this asteroid " on this thread alone is sad .
The amount of energy in an asteroid 's kinetics is astounding .
This topic needs a dose of realism .
A POX on Bruce Wyllis !</tokentext>
<sentencetext>One can download Celestia and make your own simlation!
It's not rocket science.
It's not, it's astrophysics, and some astronomy math to get the orbit to work.
But there is enough data on the net to recreate this... and then tweak it for the earth shattering kaboom!
I wish that someone would make a game of this... where you need to send up a vehicle, bump and asteroid and watch the change.
Give us all a chance to crowd source the various "solutions".
Learn just how friggin tricky this would be, how long it would take, how little effect we can have.
All of this talk about "capturing this asteroid" on this thread alone is sad.
The amount of energy in an asteroid's kinetics is astounding.
This topic needs a dose of realism.
A POX on Bruce Wyllis!</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30513348</id>
	<title>Impact the moon?</title>
	<author>crow</author>
	<datestamp>1261417260000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p>This is expected to come within our moon's orbit, right?  So what are the odds of it impacting the moon?  And if it were to do so, what would the impact do to the moon's orbit?</p></htmltext>
<tokenext>This is expected to come within our moon 's orbit , right ?
So what are the odds of it impacting the moon ?
And if it were to do so , what would the impact do to the moon 's orbit ?</tokentext>
<sentencetext>This is expected to come within our moon's orbit, right?
So what are the odds of it impacting the moon?
And if it were to do so, what would the impact do to the moon's orbit?</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30513860</id>
	<title>Cue 13-yr-old Corrects NASA, again.</title>
	<author>kiehlster</author>
	<datestamp>1261419480000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>Take into account that the astrophysicists are probably out of tune with current events, does this latest estimate account for <a href="http://science.slashdot.org/science/08/04/16/001241.shtml" title="slashdot.org" rel="nofollow">Nico Marquardt's correction</a> [slashdot.org] last year?  I'd say that brings it down to odds of 1 in 2,500.  The link above says the odds were reduced from 1:45,000 to 1:250,000 while Nico's correction originally brought it down from 1:45,000 to 1:450.</htmltext>
<tokenext>Take into account that the astrophysicists are probably out of tune with current events , does this latest estimate account for Nico Marquardt 's correction [ slashdot.org ] last year ?
I 'd say that brings it down to odds of 1 in 2,500 .
The link above says the odds were reduced from 1 : 45,000 to 1 : 250,000 while Nico 's correction originally brought it down from 1 : 45,000 to 1 : 450 .</tokentext>
<sentencetext>Take into account that the astrophysicists are probably out of tune with current events, does this latest estimate account for Nico Marquardt's correction [slashdot.org] last year?
I'd say that brings it down to odds of 1 in 2,500.
The link above says the odds were reduced from 1:45,000 to 1:250,000 while Nico's correction originally brought it down from 1:45,000 to 1:450.</sentencetext>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30515340</id>
	<title>Re:Danger... or opportunity?</title>
	<author>CorporateSuit</author>
	<datestamp>1261425900000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>I think we should just lasso the thing so it whips down into the middle east, solving war for 300 years.  That should finally shut up all those "Peace is the only answer" hippies.</htmltext>
<tokenext>I think we should just lasso the thing so it whips down into the middle east , solving war for 300 years .
That should finally shut up all those " Peace is the only answer " hippies .</tokentext>
<sentencetext>I think we should just lasso the thing so it whips down into the middle east, solving war for 300 years.
That should finally shut up all those "Peace is the only answer" hippies.</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30512714</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30516494</id>
	<title>Re:Danger... or opportunity?</title>
	<author>gyrogeerloose</author>
	<datestamp>1261388340000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext><p><div class="quote"><p>Who'se with me, capturing this thing, and turning it into a gigantic orbiting factory?</p></div><p>I'm with you. Now all we need is to get someone on board who has access to a whole lot of bungee cords.</p></div>
	</htmltext>
<tokenext>Who'se with me , capturing this thing , and turning it into a gigantic orbiting factory ? I 'm with you .
Now all we need is to get someone on board who has access to a whole lot of bungee cords .</tokentext>
<sentencetext>Who'se with me, capturing this thing, and turning it into a gigantic orbiting factory?I'm with you.
Now all we need is to get someone on board who has access to a whole lot of bungee cords.
	</sentencetext>
	<parent>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30512714</parent>
</comment>
<comment>
	<id>http://www.semanticweb.org/ontologies/ConversationInstances.owl#comment09_12_21_1431255.30513338</id>
	<title>I don't know why...</title>
	<author>Anonymous</author>
	<datestamp>1261417200000</datestamp>
	<modclass>None</modclass>
	<modscore>1</modscore>
	<htmltext>I saw the RSS headline as <b>"Stimulation of Close Asteroid Fly-By"</b> and I just had to see what that was all about...</htmltext>
<tokenext>I saw the RSS headline as " Stimulation of Close Asteroid Fly-By " and I just had to see what that was all about.. .</tokentext>
<sentencetext>I saw the RSS headline as "Stimulation of Close Asteroid Fly-By" and I just had to see what that was all about...</sentencetext>
</comment>
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