31 August 2016
Record-breaking galaxy cluster discovered
.... The discovery may also push back the formation time of galaxy clusters by about 700 million years. According to Tao Wang of ... Energy Commission (CEA) who led the study, "This galaxy cluster isn't just remarkable for its distance, it's also going ...
12 August 2016
Astronomers spot two merging galaxy clusters bridged by X-rays
... the largest gravitationally bound objects in the Universe start to collide. Galaxy clusters are expected to grow primarily via merging processes with other galaxies or other groups of galaxies and it is the the head-on collision of 1E2216.0-0401 and...
11 September 2020
New data suggests there is something missing from dark matter theories
... final process was to compare the dark-matter maps with simulated models of galaxy clusters with similar masses at roughly the same distances. "Galaxy clusters are ideal laboratories in which to study whether the numerical simulations of the Universe...
28 February 2020
Record-breaking black hole eruption detected by astronomers
... energy than the previous record holder – MS 0735.6+7421 – occurred in the Ophiuchus galaxy cluster; a colossal cosmic collection of thousands of individual galaxies stationed some 390 million light-years from Earth. The outburst is thought to result...
14 March 2018
Researchers rethink quasar connection after new find
... actually is has yet to be agreed upon, it is generally used to refer to a group of very young galaxies that will merge together to form a galaxy cluster. Despite their huge size, protoclusters are notoriously difficult to find because young, distant...
March 2018
Mapping the dark universe
... mission concept - Weak Gravitational Lensing (WL) and Galaxy Clustering (including Baryon Acoustic Oscillations) to address the ... During this part of the survey several million galaxies will be imaged. Regular observations for instrument calibration ...
