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Ok, so lets say intelligent aliens that can space travel turn out to be real. What do you imagine they would look like and what would their goals be? What planet would they be from? (media4.giphy.com)

submitted 7 months ago* (last edited 7 months ago) by Dirt_Owl@hexbear.net to c/chat@hexbear.net

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Personally, I like the idea of some sort of fuzzy subterranean gremlins from Mars.

Elon arrives and they prank him to death.

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[–] MLRL_Commie@hexbear.net 1 points 7 months ago (1 children)

You still believe in the speed of light?

[–] xj9@hexbear.net 1 points 7 months ago

If black holes turn out to b a gravitational condensate with no event horizon, you could have FTL and a hyperbolic space time at the same time, since the condensate would have negative energy pressure.

I've actually been wondering what the simplest experimental proof of relativity would be though. I know GPS is one practical application that has to account for the way gravity bends time which is based on light having a constant speed, but that's hard to demonstrate.