June 9, 2005

Look at This

NASA'S Spitzer Captures Echo of Dead Star's Rumblings

"An enormous light echo etched in the sky by a fitful dead star was spotted by the infrared eyes of NASA's Spitzer Space Telescope. The surprising finding indicates Cassiopeia A, the remnant of a star that died in a supernova explosion 325 years ago, is not resting peacefully. Instead, this dead star likely shot out at least one burst of energy as recently as 50 years ago."


Posted by kcowing at June 9, 2005 10:15 PM

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