This animation presents the states and state capitals of Germany
Geothermal energy is environmentally friendly, safe and efficient; and thanks to modern...
This animation demonstrates the process of star development for average and massive stars.
Uranus is the 7th planet from the Sun, a gas giant.
Neptune is the outermost planet of the Solar System, the smallest of the gas giants.
This animation presents the states and state capitals of Austria.
The orbits of the 8 planets in our Solar System are elliptical.
This animation demonstrates the most important seas and bays.