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:
“As if
golden pollen were falling
onto your hair from dark trees.”
—Denise Levertov (b. 1923)
“To me it seems that to give happiness is a far nobler goal that to attain it: and that what we exist for is much more a matter of relations to others than a matter of individual progress: much more a matter of helping others to heaven than of getting there ourselves.”
—Lewis Carroll [Charles Lutwidge Dodgson] (1832–1898)