File:Messier2_-_HST_-_Potw1913a.jpg · Wikimedia Commons · See Wikimedia Commons
Messier 2 is a dense, spherical collection of hundreds of thousands of old stars that orbits the outer region of our Milky Way galaxy. Astronomers study it to understand how stars form and evolve in extreme conditions, and it serves as a useful reference point for measuring distances in our galaxy.
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Encyclopedic overview
Messier 2 or M2 (also designated NGC 7089) is a globular cluster in the constellation Aquarius, five degrees north of the star Beta Aquarii. It was discovered by Jean-Dominique Maraldi in 1746, and is one of the largest known globular clusters.
Discovery and visibility
Excerpted from Wikipedia’s “Messier 2” article, available under the CC BY-SA 4.0 licence.
Gallery (3)
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