>>One way to check: go get the evidence. There should be some nasty pieces of that sixties old-tech up there.
>
>which could've been left by unmanned space craft.

With all the frozen garbage, and other traces of the astronauts' sojourn? And their footsteps in the dust? Robots which would be capable of walking like humans didn't exist until recently - and that's for Earth's gravity. For Moons, still not, I think.