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

Related extras

Political and economic unions

Several political and economic unions have been formed between countries during the past...


Possible traces of water and life are sought on Mars.


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

Lunar eclipse

Lunar eclipses occur when the Moon passes through the shadow cone of Earth


Mercury is innermost and smallest planet of the Solar System.

Phases of the Moon

During its orbit around the Earth, the visibility of its illuminated part constantly changes.

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.

Added to your cart.