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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“They have slapped into the American mind more human misinformation in one evening than the Dark Ages could muster in a decade.”
—Ben Hecht (1893–1964)
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