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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 .
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The Hubble Space Telescope, the first large optical telescope in orbit, is launched using the Space Shuttle, but astronomers soon discovered that it is crippled by a problem with its mirror. A complex repair mission in 1993 allows the telescope to start producing spectacular images of distant stars, nebulae, and galaxies.
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1 January 1925 – Astronomer Edwin Hubble formally presents his discovery of galaxies outside the Milky Way at a meeting of the American Astronomical Society; 1 January 1952 – The Kyiv Planetarium opens in Kyiv, Ukraine
November 23 – Edwin Hubble announces his discovery that Andromeda, previously believed to be a nebula, is actually another galaxy, and that the Milky Way is only one of many such galaxies in the universe. [1] The Einstein Tower near Potsdam, Germany, designed by Erich Mendelsohn, becomes operational as an astrophysical observatory.
His discoveries of countless galaxies beyond the Milky Way revolutionised our perception of the universe that we live in. In 1990, a telescope was launched into the Earth's low orbit known as the Hubble Space Telescope, which was named after Edwin Hubble. [12] British astronomer Sir Martin Ryle studied at Oxford university in the 1930s. His ...