How is an object proved to not be from earth

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Determining whether an object is not from Earth involves analyzing its composition and characteristics. Meteorites serve as a primary example, as they can be identified through specific tests that reveal their extraterrestrial origin. For instance, lunar rocks, which are collected from the Moon, are studied to confirm their non-Earth origins. Resources like the Washington University in St. Louis provide detailed methodologies for such analyses, emphasizing the importance of scientific testing in distinguishing between terrestrial and extraterrestrial materials.
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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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lorrad said:
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?
 
Yes or a exterrestial object of some type

but a meteorite is a good example

moon rocks
 
Here.

http://meteorites.wustl.edu/lunar/howdoweknow.htm
 
wow thanks
 
lorrad said:
wow thanks
You're very welcome.
 
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