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Friday, August 29, 2008 |
Friday, August 29, 2008 |
Photo: Black Holes Are "Green," X-Ray Study SaysNew research reveals that supermassive black holes are "green," or highly fuel efficient. X-ray courtesy NASA/CXC/KIPAC/S. Allen, et al.; radio courtesy NRAO/VLA/G. Taylor; infrared courtesy NASA/ESA/McMaster University/W. Harris
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ADVERTISEMENTNATIONAL GEOGRAPHIC'S PHOTO OF THE DAY |
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