mythology – n. the myths of a particular group or culture
aurora – n. streamers or arches of light appearing in the upper atmosphere of a planet's magnetic polar regions caused emission of light from atoms
vault – n. a room or place for safekeeping valuables
magnetosphere – n. an area of space surrounding an object in space that is dominated by the object’s magnetic field
rotation – n. the act of moving around a central point
jet stream – n. a strong current of fast winds high above a planet’s surface