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Saturday, May 14, 2022

If the universe expands faster than the speed of light, doesn't that make it near impossible for us to be found?

From what I understand, gravity combats this to some degree, so our own galaxy isn't being torn apart and thinned out FTL, but wouldn't it drastically limit the options of where life could arrive- and detect us from still?

Follow-up question: to what extent are aliens theorised to be intergalactic? If the common assumption is that all signs of alien life come from within the milky way, I guess expansion doesn't matter as much.



Submitted May 14, 2022 at 03:45AM by breadlump https://ift.tt/Yy2EuvR

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