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Last updated on May 22, 2013 at 1:20 EDT
Four Large Flares in 48 Hours

Four Large Flares in 48 Hours

A very energetic active region right at the Sun's edge blasted out four X-class flares (largest class) in two days (May 13-15, 2013), as well as several less flares. The active region is rotating around so that it will be...
Word of the Day
naupathia
  • Seasickness.
'Naupathia' comes from a Greek term meaning 'ship suffering.'
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Quote of the Day
Man is an artifact designed for space travel. He is not designed to remain in his present biologic state any more than a tadpole is designed to remain a tadpole.

- William Burroughs (1914-97)
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