Why are galaxies round as a pizza instead of round like a sphere? 735 viewsJanuary 3, 2024 Question92.08K April 16, 2020 0 Comments Why are galaxies round as a pizza instead of round like a sphere? In: Physics 7 Answers ActiveNewestOldest Anonymous Posted April 16, 2020 0 Comments Same reason pizzas are disks: a galaxy is a big amount of mass rotating in space, angular momentum is conserved but kinetic energy is dissipated as heat. Wait long enough and we have a disk. You are viewing 1 out of 7 answers, click here to view all answers. Register or Login
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