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:
“For as she eats wisdom like the halves of a pear she puts one foot in front of the other. She climbs the dark wing.”
—Anne Sexton (1928–1974)
“No matter how calmly you try to referee, parenting will eventually produce bizarre behavior, and I’m not talking about the kids.”
—Bill Cosby (20th century)