Is There a Finite Universe in the Cosmos?

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Neil glew says the three spatial dimensions of the universe we live in could go on forever in all directions. If they did wrap round in one or more, with a circumference less than the size of the observable universe, we might be able to observe that. There's very active research programms to look for evidence of a finite universe in the cosmic microad background. But don't worry, we have figured it all out yourself. You an you can figure it out yourself.

Welcome to the September 2021 Ask Me Anything episode of Mindscape! These monthly excursions are funded by Patreon supporters (who are also the ones asking the questions). I take the large number of questions asked by Patreons, whittle them down to a more manageable size — based primarily on whether I have anything interesting to say about them, not whether the questions themselves are good — and sometimes group them together if they are about a similar topic. Enjoy!

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