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:
“The linnet and the throstle, too, and after dark the long halloo
And golden-eyed tu-whit, tu-whooof owls that ogle London.”
—Alfred Noyes (1880–1958)
“No matter how deep and dark your pit, how dank your shroud,
Their heads are heroically unbloody and unbowed.”
—Ogden Nash (1902–1971)