Space weather – sunspot AR2192

By Simon Thomas Friday 24 October 2014 – updated 30 October 2014 Sunspots are areas on the Sun which appear dark in contrast to the solar disk. They are associated with complex magnetic fields which inhibit convection and are therefore not as hot as the surroundings (sunspots are typically 3000-4500 K compared to the surrounding … Continue reading “Space weather – sunspot AR2192”