Spiral Galaxy Messier 51 Jumat, 08 September 2017 Tambah Komentar Edit 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. Image Credit: X-ray: NASA/CXC/SAO; Optical: Detlef Hartmann; Infrared: NASA/JPL-Caltech Bagikan Artikel ini
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