Hubble captures 'ghost light' from dead galaxies

October 31, 2014 5:40 AM

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Hubble captures 'ghost light' from dead galaxies

Washington: NASA's Hubble telescope has picked up the faint, ghostly glow of stars ejected from ancient galaxies that were gravitationally ripped apart several billion years ago.

By observing the light from the orphaned stars, astronomers have assembled forensic evidence that suggests as many as six galaxies were torn to pieces inside the cluster over a stretch of six billion years.

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