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The Lives and Deaths of Stars Viewed by the Hubble Space Telescope


April 25, 2015
Location: Evanston, Ill.

Most of the light in the Universe that we observe comes from stars. Over the past 25 years, the Hubble Space Telescope has captured breathtaking images (and spectra) that trace the many lives of stars, from their births in dust-filled clouds, to their deaths in spectacular supernovae explosions or planetary nebulae, and the many stages in between. These observations have helped to build our theory of stellar evolution, which stands at the foundation of astronomy, and has led to amazing breakthroughs, including the discovery that many young stars host disks capable of forming planets, and the refinement of the cosmic distance ladder, which uncovered the accelerating expansion of our Universe. In this talk Dr. Aaron Geller will discuss the lives and deaths of stars, and their cosmic importance, as viewed aboard the Hubble Space Telescope.

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