Every eleven years, the sun's magnetic field flips. Sunspots—dark, cooler regions on the sun's surface that mark intense ...
New observations are helping scientists peer beneath the Sun’s surface, revealing where its magnetic activity may truly begin. Every 11 years, the Sun’s magnetic field reverses. As that cycle unfolds, ...
Researchers using the Birmingham Solar-Oscillations Network, known as BiSON, have detected subtle structural differences between successive solar minima that point to hidden changes in the Sun’s outer ...