The diameter of the Sun is about 109 times that of the Earth. Most of its mass consists of hydrogen.
This animation demonstrates how the Earth and the Moon were formed.
This animation demonstrates the process of star development for average and massive stars.
This animation presents some interesting facts in physical geography.
The apparent movement of the Sun is caused by the Earth's rotation around its axis.
This animation presents some interesting facts in the field of astronomy.
Neptune is the outermost planet of the Solar System, the smallest of the giant planets
The largest satellite of Pluto is Charon.
This animation presents the provinces and provincial capitals of the Netherlands.