Re:Dinosaur asteroid 'sent life to Mars'
by arbuge on Wednesday December 11, 2013 @01:03PM
(#6889302)
....or from the rock they're in burning up in reentry.
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Re:Dinosaur asteroid 'sent life to Mars'
by blacksmith_tb on Wednesday December 11, 2013 @02:08PM
(#6889825)
Mars' atmosphere is much thinner, I don't think a 3m thick boulder would burn up (impact, though, would be, uh, energetic, however).