The massive sunspot that sparked an "extreme" geomagnetic storm in May 2024 unleashed hundreds of other dangerous solar flares, including a hidden X-class outburst, a new paper reveals. The study sets ...
Highly active sunspot AR3664 grew tremendously in this three day time-lapse. Credit: Space.com | footage courtesy: NASA / SDO ...
When you buy through links on our articles, Future and its syndication partners may earn a commission. Sunspot AR 13364 grew to be up to 15 times wider than Earth and unleashed nearly 1,000 different ...