How Edwin Hubble Expanded the Universe 100 Years Ago

Slashdot
By EditorDavidOct 7, 2023, 6:34 pm340 ptsTop
Black Parrot (Slashdot reader #19,622) pointed out a historic anniversary this week: On October 6, 1923, Edwin Hubble got a photo of Andromeda that showed that it contained a variable star, and therefore was an actual galaxy, ending the Great Debate over whether the universe consisted of anything beyond our own…

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