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)
“And what’s the bother about sin?
It doesn’t matter so
Whether a woman’s unchaste.
Talk to Trimalchio.”
—Allen Tate (1899–1979)