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![]() An X-ray (blue) and optical (yellow) image of the galaxy NGC3933. New results on the black holes in this galaxy imply that the galaxy is the result of a collision between two unequally-sized galaxies. The inset box shows the central region of NGC 3993 as observed by Chandra. Credit: Chandra X-ray Observatory and the Hubble Space Telescope Low Resolution Image (jpg) |
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