Antipode

antipodes Antipodes are a pair of points that are on opposite sides of a planet (like the North Pole and the South Pole). archipelago An archipelago is a group or chain of islands clustered together in a sea or ocean.

antipode [geodesy] Any point on the surface of a sphere that lies 180 degrees (opposite) from a given point on the same surface, so that a line drawn between the two points through the center of the sphere forms a true diameter.

The word Antipodes (pronounced an TIP uh deez) is also used in the United Kingdom to refer to Australia and New Zealand.

An equidistant cylindrical map with Campinas, Brazil infinitely stretched on the bottom edge; its antipode lies at the top edge ...

in three-dimensional Euclidean space that are located at a distance (the "radius") from a given point (the "center"). Twice the radius is called the diameter, and pairs of points on the sphere on opposite sides of a diameter are called antipodes.

See also: Surface, Area, Map, Latitude, Region