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Edwin Powell Hubble (November 20, 1889 – September 28, 1953) [1] was an American astronomer. He played a crucial role in establishing the fields of extragalactic astronomy and observational cosmology .
Edwin Hubble (father) [147] Monsignor Lemaître is considered "the Father of the Big Bang" and the first to derive what is now known as Hubble's law. Leavitt discovered Cepheid variables, the "Standard Candle" by which Hubble later determined galactic distances. Einstein's general theory of relativity is usually recognized as the theoretic ...
In 1929, Edwin Hubble provided a comprehensive observational foundation for Lemaitre's theory. Hubble's experimental observations discovered that, relative to the Earth and all other observed bodies, galaxies are receding in every direction at velocities (calculated from their observed red-shifts) directly proportional to their distance from ...
Henrietta Swan Leavitt (/ ˈ l ɛ v ɪ t /; July 4, 1868 – December 12, 1921 [2]) was an American astronomer. [1] Her discovery of how to effectively measure vast distances to remote galaxies led to a shift in the scale and understanding of the scale and the nature of the universe. [3]
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Comet Hubble, formally designated C/1937 P1, is the first and only comet discovered by astronomer Edwin Hubble. The comet was already on its outbound flight when it was first spotted in August 1937 as a magnitude 13.5 object in the constellation Sagittarius. [1] [3] It is the fourth comet discovered in 1937. [4]
Notable astronomers who conducted research at Yerkes include Albert Michelson, [45] Edwin Hubble (who did his graduate work at Yerkes and for whom the Hubble Space Telescope was named), Subrahmanyan Chandrasekhar (for whom the Chandra Space Telescope was named), Ukrainian-American astronomer Otto Struve, [3] Dutch-American astronomer Gerard ...
Following the discovery by Edwin Hubble of a linear relation between the redshifts of the galaxies and their distance in 1929, [4] Einstein abandoned his static model of the universe and proposed expanding models such as the Friedmann–Einstein universe and the Einstein–de Sitter universe. In both cases, he set the cosmological constant to ...