From “Joe Scott”. ( YouTube / Nebula )
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What is the shape of the universe? It’s kind-of an impossible question to answer. But thanks to studies of the cosmic microwave background radiation, we do have an idea of what spacetime is shaped like. And the answer is… strange.
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LINKS LINKS LINKS
http://www.scholarpedia.org/article/Cosmic_Topology
https://www.astronomynotes.com/cosmolgy/s3.htm
https://magazine.caltech.edu/post/where-is-dark-matter-hiding
https://quibb.blogspot.com/2011/04/manifolds-shape-of-universe-ii.html
https://www.bbvaopenmind.com/en/science/physics/the-universe-is-not-infinite-and-it-is-shaped-like-a-soccer-ball/#:~:text=The%20Jean%2DPierre%20Luminet%20has,shaped%20like%20a%20soccer%2Dball.
https://en.wikipedia.org/wiki/Homology_sphere#cosmology
https://phys.org/news/2017-06-universe-flat-topology.html
https://www.bbvaopenmind.com/en/science/physics/the-universe-is-not-infinite-and-it-is-shaped-like-a-soccer-ball/#:~:text=The%20Jean%2DPierre%20Luminet%20has,shaped%20like%20a%20soccer%2Dball.
0:00 – Intro
3:02 – What Does "Shape" Mean?
6:17 – Pringle Universe
6:50 – Cheese Ball Universe
8:30 – Triscuit Universe
9:40 – The Problem With Flatness
11:50 – Sponsor – Brilliant
