(via Bad Astronomy)
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It was cloudy, where I live, sadly. So here’s a video from NASA’s SDO.
Here comes the CME…
(photo of sunspot 1429 by David Tremblay, Alto New Mexico)
Photographs of the Sun by Aspen Mays.
Top: Group of sun spots and veiled spots. Observed on June 17th 1875 at 7 h. 30 m. A.M. by E.L. Trouvelot
Bottom: Active Region 1302 (photo by Alan Friedman), which is several times larger than the Earth
Richard Carrington’s sketch of sunspots, Sept. 1, 1859, which preceded the largest solar storm
The Aurora Borealis from Per Byhring on Vimeo.
A nice explanation of the Aurora Borealis and how it is caused.