Dark Matter
About 90% of the mass of the Coma cluster is believed to be in the form of dark matter. However, the distribution of dark matter throughout the cluster is poorly constrained.
Read more about this topic: Coma Cluster
Famous quotes containing the words dark and/or matter:
“These are not dark days: these are great days—the greatest days our country has ever lived.”
—Winston Churchill (1874–1965)
“No matter how much a woman loved a man, it would still give her a glow to see him commit suicide for her.”
—H.L. (Henry Lewis)