Half an hour after leaving Solitaire, we reached the Tropic of Capricorn precisely located at 23°26′11.1″ south of the Equator. The Tropic of Capricorn runs through Africa, Australia, and South America. Also called the Southern Tropic, it is described as "the circle of latitude that contains the subsolar point at the December (or southern) Solstice. It is thus the southernmost latitude where the sun can be seen directly overhead. It also reaches 90 degrees below the horizon a