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:
“Deep with the first dead lies London’s daughter,
Robed in the long friends,
The grains beyond age, the dark veins of her mother,
Secret by the unmourning water
Of the riding Thames.
After the first death, there is no other.”
—Dylan Thomas (1914–1953)
“See, in the Navy, during the war, I got used to the idea that something might happen to me, I might not make it. Well, I also got used to the idea that my wife and children were safe at home, they’d be all right no matter what. But what I didn’t reckon with was that in this, this kind of a monstrous war, something might happen to them, and not to me. Well it did, and I can’t, I can’t cope with it.”
—John Paxton (1911–1985)