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:

    Spite of all the Indian-summer sunlight on the hither side of Hawthorne’s soul, the other side—like the dark half of the physical sphere—is shrouded in a blackness, ten times black.
    Herman Melville (1819–1891)

    We are all murderers and prostitutes—no matter to what culture, society, class, nation one belongs, no matter how normal, moral, or mature, one takes oneself to be.
    —R.D. (Ronald David)