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:
“When have I last looked on
The round green eyes and the long wavering bodies
Of the dark leopards of the moon?
All the wild witches, those most noble ladies,
For all their broom-sticks and their tears,
Their angry tears, are gone.”
—William Butler Yeats (18651939)
“Aint nothing the matter with a soldier that aint the matter with everyone else.”
—Daniel Taradash (b. 1913)