Self-interacting Dark Matter

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.

Read more about Self-interacting Dark Matter:  Further Reading

Famous quotes containing the words dark and/or matter:

    You could not tell, and yet it looked as if
    The shore was lucky in being backed by cliff,
    The cliff in being backed by continent;
    It looked as if a night of dark intent
    Was coming, and not only a night, an age.
    Robert Frost (1874–1963)

    Art is a concrete and personal and rather childish thing after all—no matter what people do to graft it into science and make it sociological and psychological; it is no good at all unless it is let alone to be itself—a game of make-believe, or re-production, very exciting and delightful to people who have an ear for it or an eye for it.
    Willa Cather (1873–1947)