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The life-cycle of the Solar System

The formation of the Sun and the planets started with the contraction of a dust cloud about 4.5 billion years ago.

The Dawn mission

Studying Ceres and Vesta will help us learn more about the early history of the Solar System and how rocky planets are formed.

Planets, sizes

The inner planets of the Solar System are terrestrial planets while the outer planets are gas giants.

Countries of the World

Learning about the geographic location, capitals and flags of the world´s countries through exercises in three levels of difficulty.

Geographical discoveries (15th-17th century)

Legendary geographical discoveries at the beginning of the Modern Age had not only redrawn maps, but also had a truly diverse impact.

Solar eclipse

When the Sun, Earth, and the Moon are arranged in a straight line, the Moon can partially or completely obscure the Sun.

Earth

The Earth is a rocky planet with a solid crust and oxygen in its atmosphere.

ISS

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

The Sun

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

Change of seasons (intermediate)

Due to the Earth´s tilted axis, the angle of the Sun's rays at given latitudes continuously changes during the year.

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