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I have a question about comet/asteroid/etc impacts

  1. Jul 10, 2012 #1
    Hi there,

    So I'm curious to know if it might be possible for an object of sufficient size/mass to, when upon impact, hit with enough force to cause the planets atmosphere to diminish. It's less than a month now until the MSL reaches Mars...I'm pretty pretty excited :|
  2. jcsd
  3. Jul 11, 2012 #2


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    2017 Award

    Staff: Mentor

    A big object could eject some gas from the atmosphere, but I would not expect any significant effect from this. At the same time, it could release some gas which was bound in earth or the asteroid before.
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