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Many physicists assume we must live in a multiverse – but their basic maths may be wrong
(theconversation.com)
this post was submitted on 10 Nov 2023
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Physics
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Who says the universe is empty? It's mostly inaccessible by humans, but it might be teeming with life. Though not necessarily intelligent life.
There’s not enough density in space for it to sustain life.
Ok, but there are countless planets within that space that might contain life.
And if someone were intentionally trying to prevent life from colonizing other planets, then lots and lots of empty space between planets would be a good solution.
There's so much more empty space than there is planets, though
Yes, that's what it makes it such an effective barrier.