The Sun

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

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Administrative divisions of Germany

This animation presents the states and state capitals of Germany

The countries of Africa

Learning about the geographic location, capitals and flags of African countries through...

Structure of Earth (elementary)

The Earth is composed of several spherical layers.

Time zones

The Earth is divided into 24 time zones. Standard time is the time used within time zones.

The Cassini-Huygens Mission (1997-2017)

The Cassini spacecraft was exploring Saturn and its moons for nearly 20 years.

Administrative divisions of China

A presentation of the major administrative units of China.

The Solar System; planetary orbits

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

Interesting astronomy facts

This animation presents some interesting facts in the field of astronomy.

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