Makes you think... (Score 1)

If earthlings never reach Mars before they're extinct (or the Earth is obliterated), will future space travelers (or future Martians) attribute all the Earth junk left on Mars as early Martian artifacts?

What if some artifacts on Earth aren't really from Earth?

*Cue X-Files Theme*

We're putting a lot of junk out into various parts of space. Makes you think...