This image shows the distribution of molecular gas at the center of the Milky Way Galaxy. The black cross mark indicates the position of “Sagittarius A*,” the supermassive black hole at the heart ... more 
This image shows the distribution of molecular gas at the center of the Milky Way Galaxy. The black cross mark indicates the position of “Sagittarius A*,” the supermassive black hole at the heart of the Milky Way. less 
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SPACE.com | Photo By Keio University
Thu, Aug 23, 2012 7:24 AM EDT