The Moon

The Moon is the Earth's only natural satellite

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The Solar System; planetary orbits

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

States and cities of the USA

This animation demonstrates the states and largest cities of the USA.


Saturn is the second largest planet in the Solar System, easily recognisable by its rings.


Mercury is innermost and smallest planet of the Solar System.


Jupiter is the largest planet of the Solar System, it has two and a half times the mass...


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

Planets in our backyard

The lesson illustrates the size of the planets in the Solar System and the huge distances...

The life-cycle of the Solar System

The formation of the Sun and the planets started with the contraction of a dust cloud...

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