In astrophysics self-interacting dark matter is a hypothetical form of dark matter consisting of particles with strong self-interactions. This type of dark matter was postulated to resolve a number of conflicts between observations and simulations on the galactic scale and smaller. Self-interacting dark matter has also been postulated as an explanation for the DAMA annual modulation signal.
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Famous quotes containing the words dark and/or matter:
“Lovers of horses and of women, shall
From marble of a broken sepulchre
Or dark betwixt the polecat and the owl,
Or any rich, dark nothing disinter
The workman, noble and saint, and all things run
On that fashionable gyre again.”
—William Butler Yeats (1865–1939)
“But, though light-headed man forget,
Remembering Matter pays her debt:
Still, through her motes and masses, draw
Electric thrills and ties of Law,
Which bind the strengths of Nature wild
To the conscience of the child.”
—Ralph Waldo Emerson (1803–1882)