This undated image provided by the Gemini Observatory via the journal Nature shows an artist's conception of stars moving in the central regions of a giant elliptical galaxy that harbors a ... more 
This undated image provided by the Gemini Observatory via the journal Nature shows an artist's conception of stars moving in the central regions of a giant elliptical galaxy that harbors a supermassive black hole. (AP Photo/Gemini Observatory, AURA artwork by Lynette Cook via Nature) less 
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Thu, Aug 23, 2012 9:00 AM EDT