Devoir de Philosophie

Edwin Powell Hubble - Biography.

Publié le 10/05/2013

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Edwin Powell Hubble - Biography. American astronomer Birth November 20, 1889 Death September 28, 1953 Place of Birth Marshfield, Missouri Known for Recognizing that galaxies other than our own exist, and finding evidence that the universe is expanding Career 1914-17 Worked as a researcher at the University of Chicago's Yerkes Observatory in Wisconsin 1919 Began work as an astronomer at the Mount Wilson Observatory in California, and retained the position for his entire career 1923 Discovered that the Andromeda nebula is a galaxy (now called the Great Andromeda Spiral Galaxy) containing stars of its own 1929 Provided evidence that the universe is expanding, by calculating that the farther a galaxy is from the earth, the faster it is receding 1948 Accepted a mostly honorary position as an astronomer at the Mount Palomar Observatory, which he helped found Did You Know Prior to Hubble's discovery, distant galaxies were thought to be gas nebulas within the Milky Way. Hubble earned an advanced degree in law and worked as a lawyer before beginning a career in astronomy. The Hubble Space Telescope is named in Edwin Hubble's honor. Microsoft ® Encarta ® 2009. © 1993-2008 Microsoft Corporation. All rights reserved.

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