Please literally explain it like I’m 5! TIA
Edit- thank you for all the comments and particularly for the links to videos and further info. I will enjoy trawling my way through it all! I’m so glad I asked this question i find it so mind blowingly interesting
In: 4425
For how quickly our technology has progressed and how long the universe has existed for, literally any civilisation that has survived has had the time to fully colonize a significant portion of the Galaxy. But we see nothing, not even a trace. We’ve had civilisation for maybe 4-12k years depending on your definition/sources which is an insanely small fraction of the time the universe has been around. So the paradox is if we got from monkey to space in that amount of time and the universe has been around for millions of times more time, why do we see nothing?
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