Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have discovered a tsunami of stars and gas that is crashing midway through the disk of a spiral galaxy known as IC 2163. This colossal wave of material ...
Astronomy
Nov 4, 2016
2
993
Using the James Webb Space Telescope (JWST), researchers from the CAnadian NIRISS Unbiased Cluster Survey (CANUCS) team have identified the most distant globular clusters ever discovered. These dense groups of millions of ...
Astronomy
Sep 29, 2022
1
298
Using the LOw Frequency ARray (LOFAR), astronomers have probed PSZ2 G099.86+58.45, one of the densest cluster of galaxies known to date. The study revealed the presence of a radio halo in this cluster, making it one of the ...
Our galaxy could have 100 billion brown dwarfs or more, according to work by an international team of astronomers, led by Koraljka Muzic from the University of Lisbon and Aleks Scholz from the University of St Andrews. On ...
Astronomy
Jul 5, 2017
14
579
Astrophysicists from the University of Surrey and the University of Edinburgh have created a new method to measure the amount of dark matter at the centre of tiny "dwarf" galaxies.
Astronomy
Apr 6, 2018
214
194
A glittering multitude of stars in the globular cluster Terzan 4 fills this image from the NASA/ESA Hubble Space Telescope. Globular clusters are collections of stars bound together by their mutual gravitational attraction ...
Astronomy
Sep 19, 2022
0
59
An international team of researchers has found the original nucleus of the Milky Way galaxy. They have written a paper describing their finding and posted it on the arXiv preprint server.
When two galaxies collide, the supermassive black holes at their cores release a devastating gravitational "kick," similar to the recoil from a shotgun. New research led by CU Boulder suggests that this kick may be so powerful ...
Astronomy
Nov 2, 2021
2
4938
The Seven Sisters, as they were known to the ancient Greeks, are now known to modern astronomers as the Pleiades star cluster – a set of stars which are visible to the naked eye and have been studied for thousands of years ...
Astronomy
Aug 25, 2017
0
766
An international team of researchers led by Leiden University (the Netherlands) has mapped nine gigantic collisions of galaxy clusters. The collisions took place seven billion years ago and could be observed because they ...
Astronomy
Nov 2, 2020
3
390
