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2. Messier 81 - Wikipedia

   en.wikipedia.org/wiki/Messier_81

   Messier 81 (also known as NGC 3031 or Bode's Galaxy) is a grand design spiral galaxy about 12 million light-years away in the constellation Ursa Major. It has a D 25 isophotal diameter of 29.44 kiloparsecs (96,000 light-years ).

3. M81 Group - Wikipedia

   en.wikipedia.org/wiki/M81_Group

   The M81 Group is a galaxy group in the constellations Ursa Major and Camelopardalis that includes the galaxies Messier 81 and Messier 82, as well as several other galaxies with high apparent brightnesses. [1] The approximate center of the group is located at a distance of 3.6 Mpc, making it one of the nearest groups to the Local Group. [1]

4. File:Messier 81 HST.jpg - Wikipedia

   en.wikipedia.org/wiki/File:Messier_81_HST.jpg

   Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Help; Learn to edit; Community portal; Recent changes; Upload file

5. List of nearest galaxies - Wikipedia

   en.wikipedia.org/wiki/List_of_nearest_galaxies

   Download as PDF; Printable version; In other projects Wikidata item; ... Messier 81: SA(s)ab, LINER 11.74 [85] 3.6 6.94 [8] M81 Group: Brightest galaxy in M81 Group

6. Talk:Messier 81 - Wikipedia

   en.wikipedia.org/wiki/Talk:Messier_81

   Messier 81, also known as NGC 3031 or Bode's Galaxy, is a spiral galaxy about 12 million light-years from Earth in the constellation Ursa Major. Due to its relative proximity, large size and active galactic nucleus , Messier 81 has been studied extensively by professional astronomers .

7. Category:M81 Group - Wikipedia

   en.wikipedia.org/wiki/Category:M81_Group

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8. Messier object - Wikipedia

   en.wikipedia.org/wiki/Messier_object

   Charles Messier. The first edition of 1774 covered 45 objects (M1 to M45).The total list published by Messier in 1781 contained 103 objects, but the list was expanded through successive additions by other astronomers, motivated by notes in Messier's and Méchain's texts indicating that at least one of them knew of the additional objects.

9. Holmberg IX - Wikipedia

   en.wikipedia.org/wiki/Holmberg_IX

   Holmberg IX is a dwarf irregular galaxy and a satellite galaxy of M81, located in the constellation of Ursa Major.It is of the Magellanic type of Galaxy as it is similar to the Small Magellanic Cloud, neighbour galaxy to Milky Way Galaxy. [3]