NASA’s Hubble Telescope Spots ‘Ghost Light’ From Dead Galaxies

October 31, 2014 10:07 AM

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NASA’s Hubble Telescope Spots ‘Ghost Light’ From Dead Galaxies

NASA’s Hubble Space Telescope has detected a faint light, described as the “ghostly glow of stars” that were ejected from ancient galaxies, which themselves are believed to have been ripped apart by gravitational forces billions of years ago. The light is believed to emerge from inside a collection of about 500 galaxies known as Abell 2744, about four billion light-years away.

According to astronomers, the stars in this group of galaxies -- named “Pandora’s Cluster” -- are scattered and their light has helped scientists gather evidence, suggesting that as many as six galaxies were torn to pieces inside the cluster over a period of six billion years. Astronomers expect the...

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