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:
“—the dark ajar, the rocks breaking with light,
and undisturbed, unbreathing flame,
colorless, sparkless, freely fed on straw,
and, lulled within, a family with pets,
—and looked and looked our infant sight away.”
—Elizabeth Bishop (1911–1979)
“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)