Celestial Objects
Bode's Galaxy
Galaxies
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Bode's Galaxy, catalogued as Messier 81 and also designated NGC 3031, is a grand design spiral galaxy about 12 million light-years away in the constellation Ursa Major, with an isophotal diameter of roughly 96,000 light-years. It is named for the German astronomer Johann Elert Bode, who first observed it in 1774, and it forms a well-studied gravitationally interacting pair with the nearby Cigar Galaxy.
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