Ra, the Sun God, has moods. Shot at NASA’s Solar Dynamics Observatory (SDO), this fascinating 3 minute time-lapse video captures 3 years of our sun’s peak activity during it’s “normal” 11 year cycle.

Watching it, I felt quite vulnerable…

NASA | SDO: Three Years of Sun in Three Minutes – YouTube.


Decaf

Curator of whatever tickles my neurons. "Most problems are created not by circumstances but by a particular perception of them." ~ Edward de Bono "Play is the highest form of research." ~ Albert Einstein "All models are wrong; some models are useful." ~ George Box