Earth (1 AU from the Sun) is the largest and densest of the inner planets, the only one known to have current geological activity, and the only place where life is known to exist. Its liquid hydrosphere is unique among the terrestrial planets, and it is the only planet where plate tectonics has been observed.
Wikia is a free-to-use site that makes money from advertising. The Titan of Braavos. Braavos is one of the Free Cities that lies along the western shores of the continent of Essos, across the Narrow Sea from Westeros.
As part of its effort to claim a portion of Antarctica, Argentina sent a pregnant woman to the continent. In January 1979, Emile Marco Palma became the first child born in on the southernmost continent. The area of Antarctica is approximately 5.4 million square miles (14 million square kilometers).