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Bookmark or Share- Antarctica | History, Map, Climate, & Facts | BritannicaAntarctica, the world’s southernmost continent, is almost wholly covered by an ice sheet and is about 5.5 million square miles (14.2 million square km) in size. It is divided into East Antarctica (largely composed of a high ice-covered plateau) and West Antarctica (an archipelago of ice-covered mountainous islands).
- Geography and history of the exploration of Antarctica | BritannicaAntarctica approximates a circular form, except for the outflaring Antarctic Peninsula and two principal bays, the Ross Sea and the Weddell Sea. East and West Antarctica are separated by the long chain (1,900 mi [3,000 km]) of the Transantarctic Mountains. The ice sheet overlaying the continent represents about 90% of the world’s glacial ice.
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