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:
“The woods are lovely, dark and deep.
But I have promises to keep,
And miles to go before I sleep,
And miles to go before I sleep.”
—Robert Frost (1874–1963)
“Shears: You mean, you intend to uphold the letter of the law, no matter what it costs?
Colonel Nicholson: Without law, Commander, there is no civilization.
Shears: That’s just my point. Here, there is no civilization.
Colonel Nicholson: Then perhaps we have the opportunity to introduce it.”
—Michael Wilson (1914–1978)