Sunspots are disappearing more rapidly than usual as the Sun prepares to enter the solar minimum. The last time the absence of sunspots was so prolonged was the “Little Ice Age,” which happened back in the 1600s. Will Earth experience another cold snap?
First, understand that the Sun normally follows sunspot cycles of roughly 11 years; think of sunspots as storms on the Sun. See more about sunspots.
The cycle starts out hot with a “solar maximum” littered with solar storms and sunspots; then... more
↧