Tuesday, August 31, 2004

Could a single dark matter particle be light-years wide?

In 1996 Discover magazine ran an April Fools' story about giant particles called "bigons" that could be responsible for all sorts of inexplicable phenomena. Now, in a case of life imitating art, some physicists are proposing that the universe's mysterious dark matter consists of great big particles, light-years or more across.

Scaled-Up Darkness
By George Musser