At a distance of about 11 million light years, the Messier 81 (M81) galaxy group lies nearly overhead in the late northern spring and early summer and presents a handful of intriguing targets for backyard stargazers. This aggregation of gravitationally bound galaxies lies mostly in Ursa Major with some spillover into Camelopardalis. It’s one of the nearest galaxy groups to our own, and it contains some 40 galaxies and a total of about a trillion stars [Read more…] about Touring the M81 Galaxy Group
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