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:
“He saw the dark wainscot and timbered roof,
The long tables, and the faces merry and keen;
The College Eight and their trainer dining aloof,
The Dons on the dais serene.”
—Sir Henry Newbolt (1862–1938)
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What matter if the ditches are impure?
What matter if I live it all once more?”
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