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:
“Shuttles in the rocking loom of history,
the dark ships move, the dark ships move,
their bright ironical names
like jests of kindness on a murderer’s mouth;”
—Robert Earl Hayden (1913–1980)
“No matter which word it is, when I pronounce repeatedly, it ends up sounding utterly ridiculous and meaningless to me.”
—Franz Grillparzer (1791–1872)