fr/spaceweather.com
JUMP: Solar activity is low, but it’s not zero. Just look at what happened yesterday. On May 20th, an enormous filament of hot plasma and magnetism reared up from the edge of the sun and …. (click on the image)
Credit: NASA/Solar Dynamics Observatory [movie]
…it jumped! The magnificent leap spanned more than 200,000 km of fiery starscape. This is the sort of thing that happens routinely when a 1027ton nuclear explosion (a star) is “quiet.”