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2005-04-20 07:57:23

Chandra -- Two scientists have discovered a distinctive shell of hot gas around the site of a distant supernova explosion by combining 150 hours of archived data collected by NASA's Chandra X-ray Observatory. This discovery is a significant step forward in solving a decades-old puzzle as to why some stellar explosions display shells and others do not. "The likely answer is that the explosion of every massive star sends a sonic boom rumbling through interstellar space," said Samar Safi-Harb...


Word of the Day
kenspeckle
  • Having so marked an appearance as easily to be recognized.
This word may come from the Swedish 'kanspak,' quick at recognizing persons or things, or else from confusion with 'conspicuous.'