Hubble Spies Cosmic Emoticon Smiling Back
As captured by the Hubble Space Telescope’s Wide Field and Planetary Camera 2 (WFPC2) and Wide Field Camera 3 (WFC3), this ‘cosmic smiley’ was created by the extreme gravitational environment surrounding the galactic cluster SDSS J1038+4849. Space-time is so warped around the mass of galaxies that light from behind the cluster is being bent and magnified as if through a vast cosmic lens. Learn more
Imported from Tumblr: http://ift.tt/1z5SpPt
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