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:
“Midway along the journey of our life [Nel mezzo del cammin di nostra vita] I woke to find myself in a dark wood, for I had wandered off from the straight path.”
—Dante Alighieri (1265–1321)
“Spirit borrows from matter the perceptions on which it feeds and restores them to matter in the form of movements which it has stamped with its own freedom.”
—Henri Bergson (1859–1941)