Can Milky Way and Andromeda collision reconcile with an Expanding Universe with galaxies spreading away from each other like "raisins in a loaf"?
hallettj @ hallettj @leminal.space Posts 3Comments 187Joined 1 yr. ago

hallettj @ hallettj @leminal.space
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There are other galaxy clusters. Gravitational binding is not unique to the local cluster. From Wikipedia,
The expansion of the universe is very tricky to explain. Oversimplifying can lead to an explanation that seems to be contradictory.