Lightning

Lightning is a sudden electrostatic discharge accompanied by a sound known as thunder.

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Solar eclipse and lunar eclipse

We can observe quite interesting astronomical phenomena when the Earth, the Sun and the Moon align.

Eratosthenes

The circumference of the Earth has already been calculated in ancient Egypt. The calculations...

Topography of the Earth

The animation presents the largest mountains, plains, rivers, lakes and deserts of the Earth.

The desert

One third of the continents is covered with desert. Today, desertification is a growing problem.

Seafloor map

The boundaries of tectonic plates can be seen on the seafloor.

Mountain climate zones

The decisive factor that determines the climate zones of mountains is the altitude above sea level.

THE PERMAFROST

A tartósan fagyott altalaj határa – a globális felmelegedés hatására – egyre jobban húzodik vissza.

Afrika - The geological anatomy of a continent

Az afrikai kontinens földtani formálódása és földrajzi felosztása.

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