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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. Messier 82 - Wikipedia

    en.wikipedia.org/wiki/Messier_82

    Messier 82 (also known as NGC 3034, Cigar Galaxy or M82) is a starburst galaxy approximately 12 million light-years away in the constellation Ursa Major.It is the second-largest member of the M81 Group, with the D 25 isophotal diameter of 12.52 kiloparsecs (40,800 light-years).

  5. List of the most distant astronomical objects - Wikipedia

    en.wikipedia.org/wiki/List_of_the_most_distant...

    This article documents the most distant astronomical objects discovered and verified so far, and the time periods in which they were so classified. For comparisons with the light travel distance of the astronomical objects listed below, the age of the universe since the Big Bang is currently estimated as 13.787±0.020 Gyr.

  6. SN 2014J - Wikipedia

    en.wikipedia.org/wiki/SN_2014J

    The last supernova that was unambiguously closer to Earth than SN 2014J was SN 2004dj, a type II-P supernova in the galaxy NGC 2403, 8 million light-years from Earth. SN 1993J was a type IIb supernova at almost the same distance as SN 2014J, because it was located in Messier 81 , which together with Messier 82 and NGC 3077 forms the core of the ...

  7. Messier 15 - Wikipedia

    en.wikipedia.org/wiki/Messier_15

    M 15 is about 35,700 light-years from Earth, [3] and 175 light-years in diameter. [11] It has an absolute magnitude of −9.2, which translates to a total luminosity of 360,000 times that of the Sun. Messier 15 is one of the most densely packed globulars known in the Milky Way galaxy.

  8. Markarian's Chain - Wikipedia

    en.wikipedia.org/wiki/Markarian's_Chain

    Near the center there appear the pair of interacting galaxies NGC 4438 and NGC 4435, about 50 million light-years away, known to some as Markarian's Eyes. At least seven galaxies in the chain appear to move coherently, although others appear to be superposed by chance. [4] Six of the points on the chain can be marked by galaxies.

  9. Messier 87 - Wikipedia

    en.wikipedia.org/wiki/Messier_87

    The image shows a slight rotation in the vertical plane (the lower right moving toward earth, the upper left moving away), showing that M87 is rotating slowly. [51] [52] M87 is one of the most massive galaxies in the local Universe. Its diameter is estimated at 132,000 light-years, which is approximately 51% larger than that of the Milky Way.