or log in
The animation presents the largest mountains, plains, rivers, lakes and deserts of the Earth.
A lightning is a sudden electrostatic discharge accompanied by a sound known as thunder.
Wind, as an external force, plays an important role in shaping coastal areas and steppes.
The most important types of local winds are the sea-land breeze, the mountain-valley...
Karst formations include dolines and dripstones.
A hydrothermal vent is a fissure in the planet's surface from which geothermally heated...
We can often observe spectacular atmospheric phenomena. Let's see how some of these are formed.
Physical properties, as well as the flora and fauna of the ocean change with depth.