All news for July 19, 2009
FEATURE Mystery of the Missing Sunspots, Solved?, NASA (Jul 19, 2009)
June 17, 2009: The sun is in the pits of a century-class solar minimum, and sunspots have been puzzlingly scarce for more than two years. Now, for the first time, solar physicists might understand why. At an American Astronomical Society press conference today in Boulder, Colorado, researchers announced that a jet stream deep inside the sun is migrating...