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)
“I’ve spoiled Jemima in more ways than one.
She’s got so she turns in at every house
As if she had some sort of curvature,
No matter if I have no errand there.
She thinks I’m sociable. I maybe am.”
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