Giant Ring of Blackholes. « Ramanan50's Blog
source: http://ramanan50.wordpress.com/2011/02/14/giant-ring-of-blackholes/
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Just in time for Valentine’s Day comes a new image of a ring — not of jewels — but of black holes. This composite image of Arp 147, a pair of interacting galaxies located about 430 million light years from Earth, shows X-rays from the NASA’s Chandra X-ray Observatory (pink) and optical data from the Hubble Space Telescope (red, green, blue) produced by the Space Telescope Science Institute, or STScI.
http://ramanan50.wordpress.com/2011/02/14/giant-ring-of-blackholes/
http://ramanan50.wordpress.com/2011/02/14/giant-ring-of-blackholes/
