galaxy cluster


Also found in: Wikipedia.

galaxy cluster

See clusters of galaxies.

galaxy cluster

[′gal·ik·sē ‚kləs·tər]
(astronomy)
A collection of from two to several hundred galaxies which are much more densely distributed than the average density of galaxies in space.
References in periodicals archive ?
The standard model of dark matter (cold dark matter model) predicts that once a galaxy cluster has returned to a "relaxed" state after experiencing the turbulence of a merging event, the BCG does not move from the cluster's centre.
Only dark matter could hold this diffuse collection of stars together in the collision-prone environment of a crowded galaxy cluster.
They found that the galaxy was being stripped of the interstellar gas it uses to form stars, through a process called ram-pressure, as it travelled through a galaxy cluster.
New York (AirGuideBusiness - Business & Industry Features) Fri, Apr 4, 2014 - NASA's Hubble Space Telescope has weighed the largest known galaxy cluster in the distant universe, catalogued as ACT-CL J0102-4915, and found it definitely lives up to its nickname -- El Gordo (Spanish for "the fat one").
A team of Japanese scientists claims to have measured growth in a galaxy cluster, the universe's largest structure bound by gravity, Taiwan's government-run Academia Sinica said in a press release Wednesday.
Summary: Scientists have found a galaxy cluster some 10.
The telescope recorded X-rays created by electrons located in the hot core of a galaxy cluster.
The photo above is a combination of visible and infrared light of the parallel field for a galaxy cluster called "Abell 370.
A single galaxy cluster can be as massive as a quadrillion suns, yet faraway clusters are so faint that they are practically invisible to all but the biggest Earth-bound telescopes.
Power of Massive Galaxy Cluster Harnessed to Probe Remote Galaxies in Early Universe.
Astronomers can indirectly measure dark matter's stickiness by looking at galaxy cluster collisions.
Richard Massey, a cosmologist at Durham University in England, and colleagues focused on a galaxy within Abell 3827, a galaxy cluster about 1.