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:
“I thought of all that worked dark pits
Of war, and died
Digging the rock where Death reputes
Peace lies indeed.”
—Wilfred Owen (1893–1918)
“He reproduced himself with so much humble objectivity, with the unquestioning, matter of fact interest of a dog who sees himself in a mirror and thinks: there’s another dog.”
—Rainer Maria Rilke (1875–1926)