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What is the size of Messier 15?

Messier 15: Great Pegasus Cluster. Messier 15 (M15), also known as the Great Pegasus Cluster, is a globular cluster located in the northern constellation Pegasus. The cluster has an apparent magnitude of 6.2 and lies at a distance of 33,600 light years (10,000 parsecs) from Earth.

What does M15 mean?

Messier 15 or M15 (also designated NGC 7078) is a globular cluster in the constellation Pegasus.

Is Messier 15 a black hole?

Messier 15 is one of the most densely packed globulars known in the Milky Way galaxy. Its core has undergone a contraction known as 'core collapse' and it has a central density cusp with an enormous number of stars surrounding what may be a central black hole.

What is an M15 cluster?

One of these objects is the globular cluster known as M15. Located in the northern constellation Pegasus, it is one of the brightest clusters in the night sky (with a visual brightness that is roughly 360,000 times that of our Sun).


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