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SN 1951H

pinwheel galaxy,m101,m101 galaxy,ngc 5457

Messier 101: Pinwheel Galaxy

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Messier 101 (M101), also known as the Pinwheel Galaxy, is a spiral galaxy located in the constellation Ursa Major, the Great Bear. The Pinwheel Galaxy has an apparent magnitude of 7.86 and lies at a distance of 20.9 million light years from Earth. It has the designation NGC 5457 in the New General Catalogue.
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