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:
“It is better that, as scholars,
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And shave their heads and bodies.”
—Wallace Stevens (18791955)
“I must beg you to indulge me in the matter of hyphens.... You will find that I have marked out a great many in the proofs. We are in danger of Germanizing our printing by using them so much, and I have a very decided preference in the matter.”
—Woodrow Wilson (18561924)