Messier 81: Difference between revisions

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Revision as of 23:09, 21 March 2015 (view source) Lisa (talk \| contribs) (Created page with "Messier 81 (also known as NGC 3031 or Bode's Galaxy) is a spiral galaxy about 12 million light-years away in the constellation Ursa Major. Due to its proximity to Earth, l...")		Revision as of 23:10, 21 March 2015 (view source) Lisa (talk \| contribs) No edit summary Newer edit →
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			[[File:375px-Messier 81 HST.jpg\|thumb\|Messier 81 or Bode's Galaxy]]

	Messier 81 (also known as NGC 3031 or Bode's Galaxy) is a spiral galaxy about 12 million light-years away in the constellation [[Ursa Major]]. Due to its proximity to Earth, large size and active galactic nucleus (which harbors a 70 millionM☉( supermassive black hole), Messier 81 has been studied extensively by professional astronomers. The galaxy's large size and relatively high brightness also make it a popular target for amateur astronomers.		Messier 81 (also known as NGC 3031 or Bode's Galaxy) is a spiral galaxy about 12 million light-years away in the constellation [[Ursa Major]]. Due to its proximity to Earth, large size and active galactic nucleus (which harbors a 70 millionM☉( supermassive black hole), Messier 81 has been studied extensively by professional astronomers. The galaxy's large size and relatively high brightness also make it a popular target for amateur astronomers.