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
I’m surprised that all the answers are talking about size and not time.
The Fermi paradox is that the universe is really old and we’ve only been around for a tiny fraction of it. So there should have been at least one intelligent space going civilization what showed up before us and colonized the whole galaxy in less than 100 million years. But we don’t see any. So why is that?
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