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:
“O Rose, thou art sick!
The invisible worm
That flies in the night,
In the howling storm,
Has found out thy bed
Of crimson joy:
And his dark secret love
Does thy life destroy.”
—William Blake (1757–1827)
“It is a purely relative matter where one draws the plimsoll- line of condemnation, and ... if you find the whole of humanity falls below it you have simply made a mistake and drawn it too high. And are probably below it yourself.”
—Frances Partridge (b. 1900)