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Latest Global Oscillation Network Group Stories

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2011-01-08 08:15:00

To prevent solar damage to communication, navigation and other high tech systems, scientists are determining the temperatures, composition and movement of materials inside the sunSunspots are huge, dark, irregularly shaped--and yet, temporary--areas of intense magnetism on the sun that expand and contract as they move."The diameters of sunspots are frequently on the order of 50,000 miles," said Frank Hill of the National Science Foundation's (NSF) National Solar Observatory. "By contrast, the...


Word of the Day
grass-comber
  • A landsman who is making his first voyage at sea; a novice who enters naval service from rural life.
According to the OED, a grass-comber is also 'a sailor's term for one who has been a farm-labourer.'