Solar Minimum versus Solar Maximum (APOD: 2023 Dec 11) Video Credit: NASA, SDO, SVS https://apod.nasa.gov/apod/ap231211.html Explanation: The surface of our Sun is constantly changing. Some years it is quiet, showing relatively few sunspots and active regions. Other years it is churning, showing many sunspots and throwing frequent Coronal Mass Ejections (CMEs) and flares. Reacting to magnetism, our Sun's surface goes through periods of relative calm, called Solar Minimum and relative unrest, cal