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:
“O dark dark dark. They all go into the dark,
The vacant interstellar spaces, the vacant into the vacant,
The captains, merchant bankers, eminent men of letters,
The generous patrons of art, the statesmen and the rulers,
Distinguished civil servants, chairmen of many committees,
Industrial lords and petty contractors, all go into the dark....”
—T.S. (Thomas Stearns)
“Never assume one child is always the victim and the other the aggressor. Remember, no matter how things appear, it takes two to tango. If you look closely enough ... you will see how the victim subtly provokes the aggressor into attacking.”
—Ron Taffel (20th century)