Solar cycles, observed since the early 19th century, are marked by periods of calm and activity, during which the number of sunspots ranges from zero to more than twenty groups.
These sunspots are areas of intense magnetic fields—up to 2,500 times stronger than Earth’s. They serve as indicators of solar activity and are harbingers of various cosmic phenomena.
“Sunspots aren’t just pretty pictures; they’re important indicators of our nearest star,” said
NASA Space Weather Program Director Jamie Favors. “As solar activity
increases, we have a unique opportunity to study the Sun, but it can
also affect our planet and the entire solar system.”...<<<Read More>>>...