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:
“‘Who is it that this dark night
Underneath my window plaineth?’”
—Sir Philip Sidney (1554–1586)
“No matter whose bed you die in
the bed will be yours
for your voyage
onto the surgical andiron
of God.”
—Anne Sexton (1928–1974)