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发帖数: 298 | 1 By SPACE.com Staff
posted: 12:23 pm ET, 22 April 2002
Researchers have found a possible source for enigmatic high-energy particles
called cosmic rays in a study that shows rapidly spinning black holes may act
as giant batteries, shooting particles into the cosmos at nearly the speed of
light.
The study involved four aged galaxies that used to be among the brightest
beacons in the universe but are now somewhat worn out. These former quasars,
as they would have been called, might help solve a long |
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