Messier 15 is a globular cluster in the constellation Pegasus, discovered by the Italian astronomer Jean-Dominique Maraldi in 1746 and later included in Charles Messier's 1764 catalogue of comet-like objects. At an estimated age of about 12.5 billion years, it ranks among the oldest globular clusters known.
Facts
Classification
Constellation Discovery Year In the Other Atlases
In Constellation
Also in Divinity Atlas: the constellation this subject lies in.
Sources
1. Wikipedia (space and spaceflight articles)
Wikimedia Foundation
2. Wikidata: Messier 15
Messier 15 (Wikipedia)
Messier 15, Wikipedia - lead section, catalogue classification
Messier 15 or M15 (also designated NGC 7078 and sometimes known as the Great Pegasus Cluster) is a globular cluster in the constellation Pegasus.
Messier 15, Wikipedia - lead section, constellation
Messier 15 or M15 (also designated NGC 7078 and sometimes known as the Great Pegasus Cluster) is a globular cluster in the constellation Pegasus.
In Group: Globular Clusters, Lead sentence
Messier 15 or M15 (also designated NGC 7078 and sometimes known as the Great Pegasus Cluster) is a globular cluster in the constellation Pegasus.
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