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:
“In business be as able as you can, but do not be cunning; cunning is the dark sanctuary of incapacity.”
—Philip Dormer Stanhope, 4th Earl Chesterfield (1694–1773)
“It is a matter of perfect indifference where a thing originated; the only question is: “Is it true in and for itself?””
—Georg Wilhelm Friedrich Hegel (1770–1831)