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:
“We are all dead men on leave.”
—Eugene Leviné, Russian Jew, friend of Rosa Luxemburg’s lover, Jogiches. quoted in Men in Dark Times, “Rosa Luxemburg: 1871-1919,” sct. 3, Hannah Arendt (1968)
“Violent measures are always dangerous, but, when necessary, may then be looked on as wise. They have, however, the advantage of never being matter of indifference; and, when well concerted, must be decisive.”
—Philip Dormer Stanhope, 4th Earl Chesterfield (1694–1773)