lördag, oktober 18, 2008

Ny pulsar

Oct. 17, 2008: About three times a second, a 10,000-year-old stellar corpse sweeps a beam of gamma-rays toward Earth. Just discovered by NASA's Fermi Gamma-ray Space Telescope, the object, called a pulsar, is the first one known that "blinks" in pure gamma rays.
NASA
Stulet från Jonas.

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