It released a powerful flare, as it peered from the limb of the Sun. Recently, a powerful flare was released as it peered from the limb of the Sun. Somehow, Sunspot AR 3664 has returned. OK, not somehow. It simply moved around the Sun as the Sun orbits on its axis – but we wanted to do a Star Wars reference. Because, just like Palpatine, AR 3664 has put on a light show. It … [Read more...] about Sunspot Behind Stunning Auroras Is Back – And More Solar Storms Could Be Ahead