A star cluster is a group of stars held together by self-gravitation. Two main types of star clusters can be distinguished: globular clusters, tight groups...

known as Seven Sisters and Messier 45 (M45), is an asterism of an open star cluster containing young B-type stars in the northwest of the constellation Taurus...

Collinder 50, or Melotte 25) is the nearest open cluster and one of the best-studied star clusters. Located about 153 light-years (47 parsecs) away from...

Centauri, was observed in antiquity and long thought to be a star, recognition of the clusters' true nature came with the advent of telescopes in the 17th...

Jewel Box as a star cluster was first found by Nicolas Louis de Lacaille while doing astrometric observations for his 1751–1752 southern star catalogue Cœlum...

An open cluster is a type of star cluster made of tens to a few thousand stars that were formed from the same giant molecular cloud and have roughly the...

There are several astronomical catalogues referred to as Nebulae and Star Clusters. A Nebula is a cloud of dust and gas inside a galaxy. Nebulae become...

A super star cluster (SSC) is a very massive young open cluster that is thought to be the precursor of a globular cluster. These clusters called "super"...

des Nébuleuses et des Amas d'Étoiles [fr] (Catalogue of Nebulae and Star Clusters). Because Messier was interested only in finding comets, he created...

A nuclear star cluster (NSC) or compact stellar nucleus (sometimes called young stellar nucleus) is a star cluster with high density and high luminosity...

The Beehive Cluster (also known as Praesepe (Latin for "manger", "cot" or "crib"), M44, NGC 2632, or Cr 189), is an open cluster in the constellation Cancer...

star clusters, ordered by diameter in light years, above the size of 50 light years in diameter. This list includes globular clusters, open clusters,...

structure, such as a star cluster or a galaxy. The word "star" ultimately derives from the Proto-Indo-European root "h₂stḗr" also meaning star, but further analyzable...

Coma Star Cluster (also known as Melotte 111 or Collinder 256) is a nearby open cluster located in the constellation Coma Berenices. The cluster contains...

catalogue of open clusters. The status of this group as a star cluster has changed in recent years. The group was considered to be a cluster for most of the...

of these clusters consists of hundreds of stars. In 2017, a massive star cluster was discovered only 10 arcminutes from Sirius, making the two appear...

dull night, but [a four-inch refractor] shows it as a typical star-studded galactic cluster. It has a Trumpler class of I 3 r, indicating it is strongly...

formed by the Coma Star Cluster. The constellation's brightest star is Beta Comae Berenices, a 4.2-magnitude main sequence star similar to the Sun. Coma...

the age of a star is. These methods include stellar evolutionary models, membership in a given star cluster or system, fitting the star with the standard...

Sullivan Jewel Box Park, a type of baseball park Jewel Box (star cluster) (NGC 4755), a star cluster in Crux "Jewel Box", a track on Jeff Buckley's Sketches...

by area List of IAU designated constellations List of open clusters List of globular clusters List of stellar streams List of nearby stellar associations...

called the Great Globular Cluster in Hercules, the Hercules Globular Cluster, or the Great Hercules Cluster), is a globular cluster of several hundred thousand...

for open clusters. Trumpler catalogue, the catalogue of open clusters that he compiled. Trumpler's classification method for open star clusters is still...

moving-cluster method and the closely related convergent point method are means, primarily of historical interest, for determining the distance to star clusters...

single star. A large group of stars bound by gravitation is generally called a star cluster or galaxy, although, broadly speaking, they are also star systems...

and sometimes known as the Ptolemy Cluster, is an open cluster of stars in the constellation of Scorpius. The cluster is easily detectable with the naked...

approval comes mostly from its Working Group on Star Names, which has been publishing a "List of IAU-approved Star Names" since 2016. As of May 2025, the list...

bound objects in the universe, composed of many galaxy clusters Star cluster Globular cluster, a spherical collection of stars whose orbit is either partially...

sky. It is one of the easiest globular clusters to find, being located only 1.3 degrees west of the bright star Antares, with both objects being visible...

of gravity. Stellar-dynamical models of systems such as galaxies or star clusters are often compared with or tested against stellar-kinematic data to...