04 March 2020
A new candidate for dark matter is identified
... a long history. It was first inferred by Fritz Zwicky back in 1933, when the astronomer calculated that the Coma cluster of galaxies lacked a substantial amount of mass in all of its stars to keep the galaxies from flying away from...
24 May 2016
Astronomers find ultra diffuse galaxy heavy in dark matter
... properties that have helped UDGs stay hidden for so long. UDGs were first discovered in the Coma Cluster, a rich cluster of galaxies containing thousands of systems some 300 million light years away from Earth, but have since...
06 December 2021
Astronomers find a galaxy with no dark matter
... matter in the Universe and be the reason why galaxies and galaxy clusters do not fly apart, dark matter is key to our understanding of...when after measuring the amount of visible mass in the Coma Cluster, and comparing it to the motion of the galaxies...
25 June 2015
The story behind ultra dark galaxies
.... Thanks to Japan’s Subaru telescope, which is located in Hawaii, astronomers have found over 800 new galaxies in the Coma Cluster – galaxies we just haven’t been able to spot before due to their extremely low density. What’s interesting about...