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Fraser
2008-Jan-03, 04:30 PM
A group of astronomers have discovered something they never expected to find. The scientists were studying white dwarf stars, hoping to learn if white dwarfs could be responsible for the cosmic rays that zip through our galaxy and occasionally strike earth. But instead, what they found was that a certain white dwarf star [...]

More... (http://feeds.feedburner.com/~r/universetoday/pYdq/~3/210592106/)

trinitree88
2008-Jan-06, 07:24 PM
A group of astronomers have discovered something they never expected to find. The scientists were studying white dwarf stars, hoping to learn if white dwarfs could be responsible for the cosmic rays that zip through our galaxy and occasionally strike earth. But instead, what they found was that a certain white dwarf star [...]

More... (http://feeds.feedburner.com/~r/universetoday/pYdq/~3/210592106/)
Fraser. White dwarfs pulsing is only a challenge to our understanding if our understanding fails to take account of parity effects in strong magnetic fields. Neutrino cross-sections increase in degenerate matter and mean free paths run to several centimeters....and the energy has to go somewhere. pete.