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:
“Why look in the dark for light?”
—Henry David Thoreau (1817–1862)
““Money is good and a girl might be better,
No matter what happens and who takes the fall,
But a good strong cause”Mthe rope gave a jerk there,
No more sang he, for his throat was too small;
But he kicked before he died,
He did it out of pride.”
—William Butler Yeats (1865–1939)