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#1
October 22nd 04, 01:00 AM
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Spacecraft to slam comet?
http://story.news.yahoo.com/news?tmp...pace_impact_dc
Wouldn't this possibly change the orbit of the comet, which can then either hit Eearth or even hit other comets and change their course? Not to smart me thinks. But then, I'm no rocket scientist. 
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#2
October 22nd 04, 01:06 AM
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Compaired to the size of the comet, the speed it's going, the spaceprobe
would be like a nat slaming into your hand as your throwing a baseball. I am a Rocketeer. -- "And for the second time in four million years, the monolith awoke." Arthur C.Clarke 2062  dyssey threeSIAR http://starlords.netfirms.com Telescope Buyers FAQ http://home.inreach.com/starlord Bishop's Car Fund http://www.bishopcarfund.netfirms.com/ wrote in message news:1098403245./2wMsqwmlca3IgSwr/2yow@teranews... http://story.news.yahoo.com/news?tmp...nm/space_impac t_dc Wouldn't this possibly change the orbit of the comet, which can then either hit Eearth or even hit other comets and change their course? Not to smart me thinks. But then, I'm no rocket scientist. --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.779 / Virus Database: 526 - Release Date: 10/19/04
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#3
October 22nd 04, 01:19 AM
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On Thu, 21 Oct 2004 17:00:45 -0700, "
wrote: http://story.news.yahoo.com/news?tmp...pace_impact_dc Wouldn't this possibly change the orbit of the comet, which can then either hit Eearth or even hit other comets and change their course? Not to smart me thinks. But then, I'm no rocket scientist. The energy will be enough to make a 100m crater in a 6km diameter object. The momentum of an object a microscopic fraction of the mass of the comet will be transferred to the comet. I very much doubt that the resulting orbital deviation is even measurable. It certainly won't be enough to throw the comet into an Earth crossing orbit. No worries! _________________________________________________ Chris L Peterson Cloudbait Observatory http://www.cloudbait.com
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#4
October 22nd 04, 03:15 AM
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Chris L Peterson wrote:
On Thu, 21 Oct 2004 17:00:45 -0700, " wrote: http://story.news.yahoo.com/news?tmp...pace_impact_dc Wouldn't this possibly change the orbit of the comet, which can then either hit Eearth or even hit other comets and change their course? Not to smart me thinks. But then, I'm no rocket scientist. The energy will be enough to make a 100m crater in a 6km diameter object. The momentum of an object a microscopic fraction of the mass of the comet will be transferred to the comet. I very much doubt that the resulting orbital deviation is even measurable. It certainly won't be enough to throw the comet into an Earth crossing orbit. No worries! _________________________________________________ Chris L Peterson Cloudbait Observatory http://www.cloudbait.com Unless the butterfly effect occurs. Dave Nagel
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#5
October 22nd 04, 06:48 AM
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which would be more thanenough to turn my head and pitch the ball into
some woman;'s open mouth! starlord wrote: Compaired to the size of the comet, the speed it's going, the spaceprobe would be like a nat slaming into your hand as your throwing a baseball. I am a Rocketeer. -- "And for the second time in four million years, the monolith awoke." Arthur C.Clarke 2062 dyssey threeSIAR http://starlords.netfirms.com Telescope Buyers FAQ http://home.inreach.com/starlord Bishop's Car Fund http://www.bishopcarfund.netfirms.com/ wrote in message news:1098403245./2wMsqwmlca3IgSwr/2yow@teranews... http://story.news.yahoo.com/news?tmp...nm/space_impac t_dc Wouldn't this possibly change the orbit of the comet, which can then either hit Eearth or even hit other comets and change their course? Not to smart me thinks. But then, I'm no rocket scientist. --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.779 / Virus Database: 526 - Release Date: 10/19/04
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#6
October 22nd 04, 09:32 AM
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Consumer Goods wrote in
: which would be more thanenough to turn my head and pitch the ball into some woman;'s open mouth! What Dennis really means is a gnat slamming into the baseball as it leaves your hand. Although I suspect that this gnat will leave a football field sized crater, although it is unlikely to perturb the comet's orbit.
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#7
October 22nd 04, 04:14 PM
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Then I'll put it this way, the space probe would have about the same effect
as a grasshoppen impacting on the front bummper of a 18 wheel simi going down the interstate at 75mph. or the same effect as you taking a head down run at a brick wall. -- "And for the second time in four million years, the monolith awoke." Arthur C.Clarke 2062 dyssey threeSIAR http://starlords.netfirms.com Telescope Buyers FAQ http://home.inreach.com/starlord Bishop's Car Fund http://www.bishopcarfund.netfirms.com/ "Consumer Goods" wrote in message ... which would be more thanenough to turn my head and pitch the ball into some woman;'s open mouth! starlord wrote: Compaired to the size of the comet, the speed it's going, the spaceprobe would be like a nat slaming into your hand as your throwing a baseball. I am a Rocketeer. -- "And for the second time in four million years, the monolith awoke." Arthur C.Clarke 2062 dyssey threeSIAR http://starlords.netfirms.com Telescope Buyers FAQ http://home.inreach.com/starlord Bishop's Car Fund http://www.bishopcarfund.netfirms.com/ wrote in message news:1098403245./2wMsqwmlca3IgSwr/2yow@teranews... http://story.news.yahoo.com/news?tmp...nm/space_impac t_dc Wouldn't this possibly change the orbit of the comet, which can then either hit Eearth or even hit other comets and change their course? Not to smart me thinks. But then, I'm no rocket scientist. --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.779 / Virus Database: 526 - Release Date: 10/19/04 --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.779 / Virus Database: 526 - Release Date: 10/19/04
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#8
October 22nd 04, 05:04 PM
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I assuming all of the responders have access to a state vector of both the
comet and the satellite, have computed the angle of impact, differentially corrected the comet state vector and propagated it out a few thousand years ..... -- Thanks, Chuck "starlord" wrote in message ... Then I'll put it this way, the space probe would have about the same effect as a grasshoppen impacting on the front bummper of a 18 wheel simi going down the interstate at 75mph. or the same effect as you taking a head down run at a brick wall. -- "And for the second time in four million years, the monolith awoke." Arthur C.Clarke 2062 dyssey threeSIAR http://starlords.netfirms.com Telescope Buyers FAQ http://home.inreach.com/starlord Bishop's Car Fund http://www.bishopcarfund.netfirms.com/ "Consumer Goods" wrote in message ... which would be more thanenough to turn my head and pitch the ball into some woman;'s open mouth! starlord wrote: Compaired to the size of the comet, the speed it's going, the spaceprobe would be like a nat slaming into your hand as your throwing a baseball. I am a Rocketeer. -- "And for the second time in four million years, the monolith awoke." Arthur C.Clarke 2062 dyssey threeSIAR http://starlords.netfirms.com Telescope Buyers FAQ http://home.inreach.com/starlord Bishop's Car Fund http://www.bishopcarfund.netfirms.com/ wrote in message news:1098403245./2wMsqwmlca3IgSwr/2yow@teranews... http://story.news.yahoo.com/news?tmp...nm/space_impac t_dc Wouldn't this possibly change the orbit of the comet, which can then either hit Eearth or even hit other comets and change their course? Not to smart me thinks. But then, I'm no rocket scientist. --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.779 / Virus Database: 526 - Release Date: 10/19/04 --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.779 / Virus Database: 526 - Release Date: 10/19/04
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#9
October 22nd 04, 05:41 PM
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On Fri, 22 Oct 2004 08:14:01 -0700, "starlord"
wrote: Then I'll put it this way, the space probe would have about the same effect as a grasshoppen impacting on the front bummper of a 18 wheel simi going down the interstate at 75mph. or the same effect as you taking a head down run at a brick wall. Even if it had a measurable effect, since when did space exploration mean "no risk involved?" The only reason the poster was asking was that it's alien for anyone but astronauts to have to TAKE any risks, but we all get the benefits from space exploration.
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#10
October 22nd 04, 06:00 PM
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Chuck wrote:
I assuming all of the responders have access to a state vector of both the comet and the satellite, have computed the angle of impact, differentially corrected the comet state vector and propagated it out a few thousand years .... Naw. All they need is a little common sense... -- Greg Crinklaw Astronomical Software Developer Cloudcroft, New Mexico, USA (33N, 106W, 2700m) SkyTools Software for the Observer: http://www.skyhound.com/cs.html Skyhound Observing Pages: http://www.skyhound.com/sh/skyhound.html To reply have a physician remove your spleen
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