Formation of the Earth and Moon

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

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Relief map of China

An introduction to the relief and hydrography of China.

Salt Production

The evaporation of seawater provides an excellent opportunity for coastal countries to produce salt.

The Sun

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

Our astronomical neighbourhood

A demonstration of nearby planets, stars and galaxies.

ISS

The International Space Station is a habitable satellite built with the cooperation of 16...

The Solar System; planetary orbits

The orbits of the 8 planets in our Solar System are elliptical.

Change of seasons (basic)

Due to the Earth´s tilted axis, the angle of the Sun's rays at given latitudes is...

Administrative divisions of China

A presentation of the major administrative units of China.

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