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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. [2] [3]
Like the Hubble Space Telescope, Edwin Hubble’s discoveries transformed the frontier of scientific knowledge. His work took us beyond the Milky Way and placed us in an ever-expanding universe with a myriad of galaxies beyond our own.
May 17, 2024 · Edwin Hubble, American astronomer who played a crucial role in establishing the field of extragalactic astronomy and is generally regarded as the leading observational cosmologist of the 20th century.
In 1926, while developing a classification system for galaxies, Hubble discovered an odd fact: Almost every galaxy he observed appeared to be moving away from the Earth. He knew this because the light coming from the galaxies exhibited redshift.
Nov 20, 2016 · Astronomers believed the Milky Way galaxy was at least tens of thousands light-years across, but they thought it was all there was to the universe — one grand galaxy spiraling in a lonesome...
Hubble has viewed galaxies that spin backwards, unusually close galaxies dancing together before colliding to form a giant ellpitical, and ring-shaped galaxies that may have formed through gravitational interactions with nearby or passing galaxies.
Aug 12, 2012 · Hubble soon met his greatest scientific rival, Harlow Shapley, who had made his reputation measuring the size of the Milky Way, our own galaxy. Shapley, like most astronomers of the time, thought that the Milky Way was the entire Universe.
