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Wonderful Japanese Video Depicting what it would be like for Earth to receive Lucifer's Hammer: http://www.youtube.com/watch?v=yYgEw...elated&search=
Redubbed in music so you can actually enjoy (?) the video.
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Great video, and superb camera work. But imagine the mega protective force field that camera had to have! :-)
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- Kinetic energy of a Vesta-sized impactor (500 km diameter, 3 g/cm^3) at 20 km/s: ~3.9 * 10^28 Joule. Factor 10, ok, but you still have to melt the crust, build up those fantastic ejecta walls and so on... |
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Where is Bruce Willis when we need him
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Here are two scenarios here, given such a large size object wended it way over here, which could be useful for a sci-fi plot.
1) The body wipes everything out as depicted in the movie, however by this time there is a permenant moon base with males and females, working to be independent from Earth. Could that be done from what we know is on the Moon and would there be serious fallout from the hit that would wipe out any moon base. 2) The body does not hit, but thanks to the Moon some how it becomes a captured second moon. Is there a trajectory that such an object could come along where that would happen.
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LinkBack to this Thread: http://www.bautforum.com/astronomy/44748-big-one.html
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| Posted By | For | Type | Date |
| Bad Astronomy Blog » Impact | Post #1 | Refback | 18-July-2007 07:44 AM |