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Asteroid Impacts on Deep Watery Planets/Moons?

  1. Jun 9, 2010 #1
    Just curious what your thoughts are on ~10mile objects hitting deep oceans on large planets &/or Moons with very deep oceans? They say Earth is dry & that other planets & moons could have oceans 100's of KM's deep. Would there be any material being ejected into the atmosphere & blocking out the sun? As the vast water might soak up all the debris & slow the object? Would be some monster tsunamis on the shorelines.

    Just curious.
  2. jcsd
  3. Jun 9, 2010 #2
    I dunno about the earth being dry but i would bet that an asteroid hitting an ocean would send a lot of water vapor into the atmosphere. Water vapor is a greenhouse gas so it may cause the planet to warm up some.
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