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{{r|Globular cluster}}

{{r|Globular cluster}}

...catalogued by the French comet hunter [[Charles Messier]]. They are the [[globular cluster]]s [[NGC 7089]] (Messier 2) and [[NGC 6981]] (Messier 72) and the asterism

{{r|Globular cluster}}

{{r|Globular cluster}}

''β Aquarii'' can be used as a starting point in locating the [[globular cluster]] [[NGC 7089|Messier 2]] which lies about 5° to the north.

...ds.lpl.arizona.edu/Messier/more/m031_g1hst.html Hubble Spies Extragalactic Globular Cluster G1 in the Andromeda Galaxy M31] SEDS</ref><ref name=HubbleDoubleNucleus>[ht ==M31 globular cluster system==

A total of 8 [[globular cluster]]s are known to be associated with NGC 205, the brightest of which, ''G73''

...e smaller galaxy of parts of its outer envelope of stars. The absence of [[globular cluster]]s associated with NGC 221 also provides evidence of this.<ref name="SEDS"

...onomical Society]]'', announcing the observation of several small, dense [[globular cluster]]s, within the galaxy.<ref name=BulletinAmericanAstronomicalSociety-2021-06

...ter. A different method by [[Harlow Shapley]] based on the cataloging of [[globular cluster]]s lead to a radically different picture: a flat disk with diameter ~70 kil ...48, 1962</ref> In bottom-up theories such as the Searle-Zinn (SZ) model, [[globular cluster]]s form first, and then a number of such bodies accrete to form a larger ga

...earliest stars, predating the [[Population II]] stars that populate old [[Globular cluster]]s, and the most recent [[Population I]] stars, like Sol, our sun.<ref name

...n to 300 million years. By including the estimated age of the stars in the globular cluster (13.4 ± 0.8 billion years), they estimated the age of the oldest stars in ...is surrounded by a [[Galactic spheroid|spheroid halo]] of old stars and [[globular cluster]]s, of which 90% lie within 100,000 light-years,<ref>{{cite web

..., abbreviated '''Gyr''', for giga year) and the apparent age of the oldest globular cluster (12-14 Gyr) making the clusters older than the universe which is clearly no

...I]] stars, as well as relatively dense concentrations of stars known as [[globular cluster]]s.<ref>{{cite web | last = Ott | first = Thomas | date = 2006-08-24 | url