The two keys to Edwin Hubble's breakthrough discovery were forged by others in the 1910s. The first key, the period-luminosity scale discovered by Henrietta Leavitt, allowed astronomers to ...
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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Happy Birthday Dr Edwin Hubble! 135th anniversary of the astronomer who gave his name to the Hubble Space TelescopeDr Edwin Powell Hubble, who lends his name to the iconic Hubble Space Telescope, was one of the leading astronomers of the twentieth century. Born 135 years ago today on 20 November 1889 ...
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