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An image of the Andromeda Galaxy as seen at infrared (red) and X-rays (blue) wavelengths.
A new study of the X-ray emission from the region around the supermassive black hole at the nucleus finds flaring activity - the first time such processes, analogous to those in the Milky Way, have been seen elsewhere.
Credit: ESA Herschel, XMM-Newton
Low Resolution Image (jpg)
Credit: ESA Herschel, XMM-Newton
Low Resolution Image (jpg)
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