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How is an object proved to not be from earth

 
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Jan13-12, 11:08 PM   #1
 

How is an object proved to not be from earth

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.
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Jan13-12, 11:14 PM   #2
Evo
 
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Quote by lorrad View Post
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.
Do you mean a meteorite?
Jan13-12, 11:21 PM   #3
 
Yes or a exterrestial object of some type

but a meteorite is a good example

moon rocks
Jan13-12, 11:25 PM   #4
Evo
 
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How is an object proved to not be from earth

Here.

http://meteorites.wustl.edu/lunar/howdoweknow.htm
Jan13-12, 11:28 PM   #5
 
wow thanks
Jan13-12, 11:29 PM   #6
Evo
 
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Quote by lorrad View Post
wow thanks
You're very welcome.
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