Proof of space travel capabilities in ancient civilizations?
I'd not think human civilizations. I honestly don't think any civilization from our history would have been capable. Another civilization from another world though? Who knows?
What I'd not understand, if this is some sort of alien satellite, then you'd think the US/USSR would have underwent an expedition by now to explore it, and find out exactly what it is. This of course is assuming that they haven't already done this and we're just being kept in the dark...
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It's just a flesh wound.
Have at you!
I'd not think human civilizations. I honestly don't think any civilization from our history would have been capable. Another civilization from another world though? Who knows?
Probably placed in orbit (if aliens)
What I'd not understand, if this is some sort of alien satellite, then you'd think the US/USSR would have underwent an expedition by now to explore it, and find out exactly what it is. This of course is assuming that they haven't already done this and we're just being kept in the dark...