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:
“‘Who is it that this dark night
Underneath my window plaineth?’”
—Sir Philip Sidney (1554–1586)
“It’s a sort of bloom on a woman. If you have it, you don’t need to have anything else; and if you don’t have it, it doesn’t much matter what else you have.”
—J.M. (James Matthew)