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.
lördag, oktober 18, 2008
Prenumerera på:
Kommentarer till inlägget (Atom)

0 kommentarer:
Skicka en kommentar