... 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...
... 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...
... 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...
.... 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...