The Gibson Desert in Australia and the Atacama Desert of Chile lie in the Tropic of Capricorn.
The Tropic of Capricorn, also known as the Southern Tropic, constitutes one of 5 most significant circles of latitude. The circle of latitude that has the subsolar point on the December (or southern) solstice. Therefore, the Tropic of Capricorn is the southernmost latitude where the Sun can be overhead. Itsquivalent in the North is the Tropic of Cancer.