Volcanic activity

This animation demonstrates different types of volcanic eruptions

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Greenhouse effect

Human activity increases the greenhouse effect and leads to global warming.

Aeolian landforms on coasts and steppes

Wind, as an external force, plays an important role in shaping coastal areas and steppes.

Terms of physical geography

This animation demonstrates the most important relief features, surface waters and their...

Milky Way

The diameter of our galaxy is about 100,000 light years; it contains more than 100...

The rock cycle

Due to the effect of both exogenic and endogenic forces, rocks constantly change. This is called...

The terrestrial planets

Mercury, Venus, Earth and Mars may have they formed in much the same way, but only the Earth is...

Glacier (basic)

A glacier is a large body of ice that forms from snow, and is in constant, slow motion.

The Gregorian calendar

Developed nearly 500 years ago, it is a variant of the Julian calendar. Today it is the most...

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