||The combining of two atomic nuclei into a single larger nucleus, as when two hydrogen atoms join together to form helium.
||The central part of the sun, where nuclear fusion occurs.
||The inner layer of the sun’s atmosphere
||The middle layer of the sun’s atmosphere
||The outer layer of the sun’s atmosphere
||A loop of gas that protrudes from the sun’s surface, linking parts of sunspot regions.
||A stream of electrically charged particles produced by the sun’s corona
||Dark, cooler regions on the surface of the sun
||An explosion of hydrogen gas from the sun’s surface that occurs when loops in sunspot regions suddenly connect