How is an object proved to not be from earth [Archive]

lorrad

Jan13-12, 11:08 PM

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.

Evo

Jan13-12, 11:14 PM

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?

lorrad

Jan13-12, 11:21 PM

Yes or a exterrestial object of some type

but a meteorite is a good example

moon rocks

Evo

Jan13-12, 11:25 PM

Here.

http://meteorites.wustl.edu/lunar/howdoweknow.htm

lorrad

Jan13-12, 11:28 PM

wow thanks

Evo

Jan13-12, 11:29 PM

wow thanksYou're very welcome.