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Latest Roger Ulrich Stories

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2010-08-12 20:04:53

A new analysis of the unusually long solar cycle that ended in 2008 suggests that one reason for the long cycle could be a stretching of a current of plasma that circulates between the Sun’s equator and its poles.


Word of the Day
ecotone
  • A transitional zone between two communities containing the characteristic species of each.
The word 'ecotone' comes 'eco-' plus a Greek root meaning 'tension'.