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Hubble telescope celebrates 20 years in space

April 23, 2010

The Hubble Space Telescope, which revolutionized the field of astronomy, is celebrating its 20th anniversary in space. To mark the special occasion, Rogier Windhorst, a Regents’ Professor in the School of Earth and Space Exploration at Arizona State University and a user of the telescope, reflects on Hubble’s operation, his favorite image (which was made at ASU) and his expectations for the scope.