http://www.rawstory.com/rs/2010/12/forecasters-eye-looming-solar-max/Forecasters keep eye on looming ‘Solar Max’
By Agence France-Presse
Wednesday, December 29th, 2010 -- 8:23 am
The coming year will be an important one for space weather as the Sun pulls out of a trough of low activity and heads into a long-awaited and possibly destructive period of turbulence.
Many people may be surprised to learn that the Sun, rather than burn with faultless consistency, goes through moments of calm and tempest.
But two centuries of observing sunspots -- dark, relatively cool marks on the solar face linked to mighty magnetic forces -- have revealed that our star follows a roughly 11-year cycle of behaviour.