During its orbit around the Earth, the visibility of its illuminated part constantly changes.
Possible traces of water and life are sought on Mars.
This animation presents some interesting facts in the field of astronomy.
Saturn is the second largest planet in the Solar System, easily recognisable by its rings.
Due to the Earth´s tilted axis, the angle of the Sun's rays at given latitudes is continuously...
This animation presents the states and state capitals of Austria.
Flooding rivers can cause numerous environmental issues. Let's see how we can protect ourselves...
The Earth is a rocky planet with a solid crust and oxygen in its atmosphere.