A galaxy cluster, or a cluster of galaxies, is a structure that consists of anywhere from hundreds to thousands of galaxies that are bound together by...
19 KB (1,647 words) - 07:37, 3 July 2024
The Phoenix Cluster (SPT-CL J2344-4243) is a massive, Abell class type I galaxy cluster located at its namesake, southern constellation of Phoenix. It...
16 KB (1,616 words) - 12:33, 31 August 2024
Galaxy groups and clusters are the largest known gravitationally bound objects to have arisen thus far in the process of cosmic structure formation. They...
13 KB (1,471 words) - 22:25, 17 July 2024
some galaxy groups and galaxy clusters. Defining the limits of galaxy clusters is imprecise as many clusters are still forming. In particular, clusters close...
50 KB (2,634 words) - 19:06, 3 August 2024
Observable universe (redirect from Galaxy clustering)
only redshift is used to measure distances to galaxies. For example, galaxies behind a galaxy cluster are attracted to it and fall towards it, and so...
65 KB (6,730 words) - 18:50, 28 August 2024
of Galaxies and of Clusters of Galaxies (or CGCG) was compiled by Fritz Zwicky in 1961–68. It contains 29,418 galaxies and 9,134 galaxy clusters. I Zwicky...
1 KB (71 words) - 22:07, 23 August 2022
The Virgo Cluster is a large cluster of galaxies whose center is 53.8 ± 0.3 Mly (16.5 ± 0.1 Mpc) away in the constellation Virgo. Comprising approximately...
24 KB (2,094 words) - 04:49, 17 July 2024
Supercluster (redirect from Super cluster)
smaller galaxy clusters or galaxy groups; they are among the largest known structures in the universe. The Milky Way is part of the Local Group galaxy group...
20 KB (1,356 words) - 11:13, 1 September 2024
The Coma Cluster (Abell 1656) is a large cluster of galaxies that contains over 1,000 identified galaxies. Along with the Leo Cluster (Abell 1367), it...
16 KB (1,626 words) - 18:47, 16 July 2024
The Bullet Cluster (1E 0657-56) consists of two colliding clusters of galaxies. Strictly speaking, the name Bullet Cluster refers to the smaller subcluster...
18 KB (1,927 words) - 15:55, 31 July 2024
A brightest cluster galaxy (BCG) is defined as the brightest galaxy in a cluster of galaxies. BCGs include the most massive galaxies in the universe. They...
5 KB (513 words) - 20:02, 26 August 2024
The following is a timeline of galaxies, clusters of galaxies, and large-scale structure of the universe. 5th century BC — Democritus proposes that the...
29 KB (3,281 words) - 14:48, 20 August 2024
Local Group (redirect from Local Cluster)
(LSC or LS) is the galaxy supercluster that is home to the Milky Way and approximately 100,000 other nearby galaxies. Galaxy cluster IC 342/Maffei Group...
43 KB (2,552 words) - 09:14, 29 July 2024
Catalogue of Galaxies and Clusters of Galaxies listing 29,418 galaxies and galaxy clusters, and with the Morphological Catalogue of Galaxies, a putatively...
117 KB (6,315 words) - 12:26, 1 September 2024
dominant type of galaxy in the universe overall. They are preferentially found close to the centers of galaxy clusters. Elliptical galaxies range in size...
17 KB (1,895 words) - 19:20, 7 August 2024
distant galaxy cluster observed at its distance or beyond, as of 2011. As of 2014, it held the record for being the largest distant galaxy cluster to have...
10 KB (834 words) - 20:29, 11 July 2024
Dark matter (section Galaxy clusters)
mass position in galactic collisions, the motion of galaxies within galaxy clusters, and cosmic microwave background anisotropies. In the standard lambda-CDM...
139 KB (15,060 words) - 05:51, 31 August 2024
(Catalogue of Galaxies and of Clusters of Galaxies), the MCG (Morphological Catalogue of Galaxies), the UGC (Uppsala General Catalogue of Galaxies), and the...
158 KB (15,910 words) - 20:46, 30 August 2024
orbiting in a stable, compact formation. Globular clusters are similar in form to dwarf spheroidal galaxies, and the distinction between the two is not always...
105 KB (11,849 words) - 16:00, 16 August 2024
The Andromeda Galaxy is a barred spiral galaxy and is the nearest major galaxy to the Milky Way. It was originally named the Andromeda Nebula and is cataloged...
110 KB (10,758 words) - 16:28, 3 September 2024
(Gioello) galaxy cluster at redshift z=1.579 was discovered in the archive of the XMM-Newton mission, as part of the XMM-Newton Distant Cluster Project...
8 KB (1,045 words) - 10:38, 15 July 2024
rich galaxy clusters. They are also known as supergiant ellipticals or central dominant galaxies. The cD-type is a classification in the Yerkes galaxy classification...
14 KB (1,605 words) - 15:56, 30 April 2024
galaxies List of galaxies List of largest galaxies List of galaxies with richest globular cluster systems List of nearest galaxies List of galaxies named...
7 KB (526 words) - 05:41, 3 September 2024
Messier 87 (redirect from Virgo A Galaxy)
the second-brightest galaxy within the northern Virgo Cluster, having many satellite galaxies. Unlike a disk-shaped spiral galaxy, M87 has no distinctive...
90 KB (9,560 words) - 11:06, 18 July 2024
structures Galaxy Galaxy cluster Galaxy supercluster Illustris project Large-scale structure List of galaxies List of galaxy groups and clusters Void (astronomy)...
22 KB (1,823 words) - 11:50, 1 September 2024
have roughly the same age. More than 1,100 open clusters have been discovered within the Milky Way galaxy, and many more are thought to exist. Each one...
51 KB (6,261 words) - 23:07, 28 July 2024
The Norma Cluster (ACO 3627 or Abell 3627) is a rich cluster of galaxies located near the center of the Great Attractor; it is about 68 Mpc (222 Mly) distant...
4 KB (293 words) - 08:13, 28 August 2024
"non-keplerian" rotation curves of galaxies; the gravitational lensing of light by galaxy clusters; and the enhanced clustering of galaxies) that cannot be accounted...
96 KB (11,101 words) - 05:34, 19 August 2024
collections of galaxies larger than groups that are first-order clustering are called galaxy clusters. The groups and clusters of galaxies can themselves...
11 KB (993 words) - 20:04, 26 August 2024
spacecraft Cluster II (spacecraft), a European Space Agency mission to study the magnetosphere Asteroid cluster, a small asteroid family Galaxy cluster, large...
5 KB (676 words) - 17:51, 3 September 2024