The Coma Cluster is a galaxy cluster composed of over 1,000 galaxies. The most recent distance measurement places the cluster 320 million light-years away, with an uncertainty of only 7 million light-years. Credit:…
The Coma Cluster is a galaxy cluster composed of over 1,000 galaxies. The most recent distance measurement places the cluster 320 million light-years away, with an uncertainty of only 7 million light-years. Credit:…