M81 group of galaxies
{{Galaxy cluster
name = M81 group
image =
type = Loose galaxy group
distance = ~12 million
constellation = Ursa Major/Camelopardalis
member_no = ~30
main_member = Bode's Galaxy
names = Bode's group, NGC 3031 group ...
Messier 82 (a starburst in the M81 group)
Though typical galaxy collisions take place over what to us seems a long timescale, they are short compared to the lifetimes of galaxies. Some collisions are gentler and longer-lasting.
M82 is another member of the M81 group of galaxies found in the region of Ursa Major. This object is officially classified as an irregular galaxy. Its shape contains no discernable structure.
Optical and radio images of the interacting M81 group. Tidal tails of gas are clearly evident in the radio image.
Credit: Image courtesy of NRAO/AUI ...
A giant spiral galaxy 11 million light-years away in the constellation Ursa Major. It rules the M81 group, the second nearest galaxy group to the Local Group. [C95]
M87
A giant elliptical galaxy in the Virgo cluster. [C95]
M104 ...
Messier 81 is the largest of the 34 galaxies in the M81 Group, one of the nearest groups of galaxies to the Local Group, approximately 11.7 million light-years away. Bode's Galaxy can be found 10 degrees northwest of [8316] alpha Ursae Majoris.
 See also: Galaxy, M81, Galaxies, Spiral Galaxy, Telescope
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