The discussion revolves around how to determine whether an object is not from Earth, with examples including meteorites and extraterrestrial objects such as moon rocks. The scope includes conceptual inquiries and examples related to the identification of non-Earth materials.
Participants appear to agree on the examples of meteorites and moon rocks as relevant to the discussion, but the overall question of how to prove an object's origin remains open and unresolved.
Some assumptions about the methods of identification and the definitions of "extraterrestrial" versus "Earth-origin" objects are not fully explored or clarified.
Do you mean a meteorite?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.
You're very welcome.lorrad said:wow thanks