Twentieth Century's Copernican Moment
The universe became much bigger December 30, 1924
"1924: Astronomer Edwin Hubble announces that the spiral nebula Andromeda is actually a galaxy and that Milky Way is just one of many galaxies in the universe."
"1924: Astronomer Edwin Hubble announces that the spiral nebula Andromeda is actually a galaxy and that Milky Way is just one of many galaxies in the universe."
posted by nolocontendere at 10:38 PM
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