One way to track the solar cycle is by counting the number of sunspots, which are dark, cooler patches on the Sun’s surface.
When you buy through links on our articles, Future and its syndication partners may earn a commission. These processes follow the solar cycle, an 11-year cycle of increasing and decreasing activity on ...
For the first time in the history of solar observation, NASA has made the Sun’s invisible magnetic behavior visible. Using footage recorded during a recent flyby, the Parker Solar Probe has shown the ...