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:
“My beautiful, my beautiful! That standest meekly by,
With thy proudly-arched and glossy neck, and dark and fiery eye!”
—Caroline Sheridan Norton (1808–1877)
“A matter that becomes clear ceases to concern us.—What was that god thinking who counseled, “Know thyself!” Did he perhaps mean, “Cease to concern yourself! Become objective!”—And Socrates?—And “scientific men”?”
—Friedrich Nietzsche (1844–1900)