martedì 28 marzo 2017

the sun wakes up

THE SUN WAKES UP: For much of the past month, the sun has been blank--no sunspots at all. This week is different. Two new spots are growing on the Earthside of the sun and they are crackling with C-class solar flares:
Big sunspot AR2644 has multiple dark cores as large as Earth and a 'beta-gamma' magnetic field that harbors latent energy for strong M-class explosions. So far the smaller sunspot, AR2645, is the more active of the two, producing C-flares at a 5x greater rate.
Is the sun really waking up--or just turning in its sleep? Stay tuned for updates.
Realtime Space Weather Photo Gallery

spaceweather.com

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