Where did Magellan's voyage end?

In early days,people thought that the shape of earth was

Who proved that the earth was round?

All the planets revolves around the

Large part of the Earth is covered with

The earth is also a

The line at which the earth and the sky seems to meet is called the

One fourth of earth's surface is

The earth is made up of both land and

Which star is the center of the solar system?