December 30 1924 – American Astronomer Edwin Hubble Announces the Existence of Other Galaxies

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December 30 1924 – American Astronomer Edwin Hubble Announces the Existence of Other Galaxies5 (100%) 1 vote Working from the Mount Wilson Observatory 20 miles to the northeast of Los Angeles, astronomer Edwin Hubble revealed stunning findings on December 30, 1924: the Milky Way Galaxy was not the only one in the universe. Using a 100-inch telescope and a decade-old method for determining the distance a star was from Earth, Hubble shattered the world’s understanding of the cosmos. Growing up in Louisville, Kentucky, Hubble had a reputation for being a fantastic athlete. When he moved up to the University of Chicago after graduating high school, he excelled academically — so […]