'Ghost light' of long-dead stars haunt NASA's Hubble Telescope

October 31, 2014 3:07 PM

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'Ghost light' of long-dead stars haunt NASA's Hubble Telescope

The Hubble Space Telescope captured this image of what scientists described as the "ghost light" of long-dead stars in Pandora's Cluster, a group of galaxies known officially as Abell 2744. This image was released on Oct. 30, 2014. (NASA/ESA/IAC/HFF Team, STScI)

NASA is adding a cosmic twist to Halloween with an unexpected find by the Hubble Space Telescope: eerie "ghost light" from the remains of a multi-galaxy massacre.

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