Structure of Earth (elementary)

The Earth is composed of several spherical layers.

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Administrative divisions of Hungary

This animation presents the regions, counties and cities of Hungary.

The Sun

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


Jupiter is the largest planet of the Solar System, it has two and a half times the mass...

Relief map of China

An introduction to the relief and hydrography of China.

Continents and oceans

Dry land on the surface of Earth is divided into continents which are separated by oceans.

Cities of the world

This animation demonstrates the geographical locations of the Earth's major cities.


Possible traces of water and life are sought on Mars.

The life-cycle of the Solar System

The formation of the Sun and the planets started with the contraction of a dust cloud...

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