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 mind too closes as it were. As the window might close of a dark empty room.”
—Samuel Beckett (1906–1989)
“Value is the most invincible and impalpable of ghosts, and comes and goes unthought of while the visible and dense matter remains as it was.”
—W. Stanley Jevons (1835–1882)