Edwin Hubble looking through the 100-inch Hooker telescope at Mount Wilson in Southern California, 1929 discovers the Universe is Expanding. Credit: Margaret Bourke-White/Time & Life Pictures/Getty Images. – sciencesprings
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EDWIN HUBBLE (1889-1953) US astronomer using the 100 inch Hooker telescope at Mount Wilson Observatory , Pasadena, California Stock Photo - Alamy
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