Globular Cluster M9 (also known as Messier Object 9, Messier 9, M9, or NGC 6333) is a globular cluster in the Ophiuchus constellation. It was discovered by Charles Messier in 1764. M9 is one of the nearer globular clusters to the nucleus of the Milky Way Galaxy, with a computed distance of 5500 light-years from the Galactic Center. A globular cluster is a spherical bundle of stars (star cluster) that orbits a galaxy as a satellite. ... Ophiuchus (known as the serpent holder) is one of the 88 constellations, and was also one of the 48 listed by Ptolemy. ... Charles Messier Charles Messier (June 26, 1730 – (April 12, ]) was a French astronomer who in 1774 published a catalogue of 45 deep sky objects such as nebulae and star clusters. ... 1764 was a leap year starting on Sunday (see link for calendar). ... This article is about the galaxy called the Milky Way. ... A light year, abbreviated ly, is the distance light travels in one year: roughly 9. ... The Galactic Center is the rotational center of the Milky Way galaxy. ...
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