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Tuesday, May 4, 2010

Winds of change




This composite image, released March 3, shows the spiral galaxy NGC 1068, which has a rapidly growing supermassive black hole at its center. X-ray readings from NASA's Chandra X-Ray Observatory are shown in red, optical emissions are in green, and radio emissions are in blue. The X-ray data suggest that a strong wind is being driven away from the galaxy's center at a rate of about a million miles per hour. These results help explain how an "average" supermassive black hole can alter the evolution of its host galaxy.

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