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:
“Spite of all the Indian-summer sunlight on the hither side of Hawthorne’s soul, the other side—like the dark half of the physical sphere—is shrouded in a blackness, ten times black.”
—Herman Melville (1819–1891)
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