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:
“When Americans look out on the world, they see nothing but dark and menacing strangers who appear to have no sense of rhythm at all, nor any respect or affection for white people; and white Americans really do not know what to make of all this, except to increase the defense budget.”
—James Baldwin (1924–1987)
“He was no specialist except in the relation of things.... He took most of his materials at second hand.... But no matter who mined the gold, the image and superscription are his.”
—Woodrow Wilson (1856–1924)