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:
“will your eyes lie in wait,
little field mice nestling on their paws?
Perhaps they will say nothing,
perhaps they will be dark and leaden,
having played their own game
somewhere else....”
—Anne Sexton (1928–1974)
“It is worth the while to live respectably unto ourselves. We can possibly get along with a neighbor, even with a bedfellow, whom we respect but very little; but as soon as it comes to this, that we do not respect ourselves, then we do not get along at all, no matter how much money we are paid for halting.”
—Henry David Thoreau (1817–1862)