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Zoom into M81

Zoom into the image of M81 and see all it's details up close and personal. Use the slider bar to zoom in close or zoom out and see the bigger picture.

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M81
This composite image of M81 includes X-rays from Chandra (blue), optical data from Hubble (green), infrared emission from Spitzer (pink) and ultraviolet data from GALEX (purple). The inset shows a close-up of the Chandra image where a supermassive black hole about 70 million times more massive than the Sun lurks. A new study using data from Chandra and ground-based telescopes, combined with detailed theoretical models, shows that the giant black hole in M81 feeds just like stellar mass black holes, with masses of only about ten times that of the Sun. This discovery supports the implication of Einstein's relativity theory that black holes of all sizes have similar properties, and will be useful for predicting the properties of a conjectured new class of black holes.

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