Monday 11 January 2010

Is die seisoen vir Sonvlekke hier? Het die gety gedraai?


Sunspot 1040 is busy growing again. In only 24 hours, it has expanded from a barely visible "sun-speck" to a planet-sized active region with 15 dark cores and a tangled magnetic field. Steve Riegel sends this picture from his backyard observatory in Santa Maria, California.

More info: spaceweather.com