Southern Religion

Photo of the night: Galaxy cluster & quasar

galaxy cluster called SDSS J1004+4112

Bright at the center of this Hubble Space Telescope (HST) photograph of galaxy cluster SDSS J1004+4112, is a quasar. The gravity lens create by the cluster warps and magnifies the quasar’s light. The quasar was the first discovered to be multiply-image lensed by the gravity of a galaxy cluster.


November 3, 2009 - Posted by | Education

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