The Sun's internal structure shows subtle changes even during the calmer phases.
A 40-year study shows the Sun’s internal structure subtly shifts between quiet cycles, offering clues to future solar activity.
Scientists have combined NASA data and cutting-edge image processing to gain new insight into the solar structures that create the Sun’s flow of high-speed solar wind, detailed in new research ...
During these phases, sunspots and solar eruptions are uncommon. At this time, the Sun’s magnetic field is mainly dipolar. Signs of magnetic activity at active latitudes become hard to see.