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How is an object proved to not be from earth

  1. Jan 13, 2012 #1
    How is an object proved to not be from earth?

    I am sorry if this is not the right forum as I am new here.
     
  2. jcsd
  3. Jan 13, 2012 #2

    Evo

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    Staff: Mentor

    Do you mean a meteorite?
     
  4. Jan 13, 2012 #3
    Yes or a exterrestial object of some type

    but a meteorite is a good example

    moon rocks
     
  5. Jan 13, 2012 #4

    Evo

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    Staff: Mentor

  6. Jan 13, 2012 #5
    wow thanks
     
  7. Jan 13, 2012 #6

    Evo

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    Staff: Mentor

    You're very welcome.
     
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