Photo: Andromeda nebula plate with Hubble's handwritten circle around the variable star he discovered In 1919 American astronomer Edwin Hubble began work at the Mount Wilson Observatory in ...
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One large Milky Way galaxy or many galaxies? 100 years ago, Edwin Hubble settled astronomy's 'Great Debate'A hundred years ago, astronomer Edwin Hubble dramatically expanded ... The more distant the star is, the fainter it appears. Hubble worked hard, taking images of spiral nebulae every clear night ...
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One large Milky Way galaxy or many galaxies? 100 years ago, a young Edwin Hubble settled astronomy’s ‘Great Debate’A hundred years ago, astronomer Edwin Hubble dramatically expanded ... The more distant the star is, the fainter it appears. Hubble worked hard, taking images of spiral nebulae every clear night ...
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