The sun is blank–no sunspots. This means solar activity is very low. Credit: SDO/HMI
NO FIREWORKS ON THE 4TH OF JULY: Sunspots vanished almost two weeks ago and, as a result, solar activity is very low. NOAA forecasters say there is no more than a 1% chance of strong flares on the 4th of July. Solar flare alerts: text orvoice
AURORAS AND NOCTILUCENT CLOUDS: Who needs sunspots? Despite a sudden lull in solar activity, July began with a beautiful display of color over Calgary, Alberta. Harlan Thomas photographed the sudden apparition of green auroras and silver noctilucent clouds
Via : http://spaceweather.com/
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