BIG SUNSPOT ALERT: For most of 2018, the solar disk has been blank without a trace of even the smallest sunspot. This weekend something different is happening. A large sunspot has suddenly emerged, growing rapidly into a sprawling group with two dark cores as wide as Earth. Satellites are monitoring the region to see if it will break the quiet of solar minimum with a significant flare. Visit Spaceweather.com for more information and updates.
Above: Sunspot group AR2720, photographed by Thierry Legault on Aug. 25th from the Saint-Véran/Astroqueyras observatory in the French Alps. An image of Earth has been inserted for scale.
