Galaxy M51 (IMAGE)
Caption
Galaxy M51 is a spiral galaxy, about 30 million light years away, that is in the process of merging with a smaller galaxy seen to its upper left.
Credit
Image credit: X-ray: NASA/CXC/SAO; Optical: Detlef Hartmann; Infrared: Courtesy NASA/JPL-Caltech. Hi-definition image available at https://www.nasa.gov/mission_pages/chandra/multimedia/spiral-galaxy-m51.html
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License
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