Messier 4, also known as M4 or NGC 6121, is a globular cluster in the constellation Scorpius. It was discovered by the Swiss astronomer Philippe Loys de Cheseaux in 1745 and catalogued by Charles Messier in 1764, and it was the first globular cluster in which individual stars were resolved.
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 4
Messier 4 (Wikipedia)
Messier 4, Wikipedia - lead section, catalogue classification
Messier 4 or M4 (also known as NGC 6121 or the Spider Globular Cluster) is a globular cluster in the constellation of Scorpius.
Messier 4, Wikipedia - lead section, constellation
Messier 4 or M4 (also known as NGC 6121 or the Spider Globular Cluster) is a globular cluster in the constellation of Scorpius.
In Group: Globular Clusters, Lead sentence
Messier 4 or M4 (also known as NGC 6121 or the Spider Globular Cluster) is a globular cluster in the constellation of Scorpius.
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