Comets

Comets are spectacular celestial bodies orbiting the Sun.

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The loneliest place on Earth

There is a spot in the open ocean that is 2,688 km away from the nearest land.

Time zones

The Earth is divided into 24 time zones. Standard time is the time used within time zones.

Formation of the Earth and Moon

This animation demonstrates how the Earth and the Moon were formed.

The countries of Asia

Learning about the geographic location, capitals and flags of Asian countries through...

Mercury

Mercury is innermost and smallest planet of the Solar System.

Administrative divisions of China

A presentation of the major administrative units of China.

Countries of the World

Learning about the geographic location, capitals and flags of the world´s countries...

The Sun

The diameter of the Sun is about 109 times that of the Earth. Most of its mass consists...

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