globular cluster


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Related to globular cluster: Open cluster

globular cluster

n.
A roughly spherical, densely packed group of thousands to hundreds of thousands of stars that are gravitationally bound to one another and orbit a galaxy. Most known galaxies are orbited by numerous globular clusters.

globular cluster

n
(Astronomy) astronomy a densely populated spheroidal star cluster with the highest concentration of stars near its centre, found in the galactic halo and in other galaxies

glob·u·lar cluster

(glŏb′yə-lər)
A dense system of very old stars that has a more or less spherical structure. Globular clusters contain from ten thousand to one million stars. Compare open cluster.
References in periodicals archive ?
The galaxy's current state can be determined by the globular cluster of stars surrounding it.
Binoculars will help you find the globular cluster M22, sparkling with more than 80,000 suns, about IV20 below the pair, approximately equidistant from both planets.
IANS Astronomers have discovered a star in a massive globular cluster that appears to be orbiting an inactive and invisible black hole about four times the mass of the Sun.
This stellar system resembles a globular cluster, but is like no other cluster known.
ISLAMABAD -- Astronomers have discovered what may be the first known example of a globular cluster about to be born - an incredibly massive and extremely dense yet star-free cloud of molecular gas.
Michael Feast writes "Possibly Arp's most enduring work in SA was that on the colour-magnitude diagram and Cepheids in the young globular cluster NGC 1866.
47 Tucanae (NGC 104) - This impressive globular cluster can be found inside the SMC.
The globular cluster Messier 28 sits just one degree northwest of Lambda, and the two can share a field of view if you use an eyepiece that gives a magnification of 40x or less.
The light June nights are not the ideal time for deep-sky observing, but with Hercules overhead many telescopes will undoubtedly be pointed at the globular cluster M13 lying one third of the way down the western side of the Keystone at RA 16h 41.
Observations of the precession of the millisecond pulsar PSR B1516+O2B, located some 25,000 light-years away in the globular cluster M5, indicate that the pulsar most likely has a mass equivalent to about 1.
Scientists found the huge, gaseous sphere in globular cluster M4 - a cluster of stars 12.
Scanning deep within a globular cluster, researchers have been able to confirm the planet's mass and distance revealing an age of roughly 13 billion years.