Lightning is a sudden electrostatic discharge accompanied by a sound known as thunder.
An earthquake is one of the most devastating natural phenomena.
The diameter of our galaxy is about 100,000 light years; it contains more than 100...
Karst formations include dolines and dripstones.
Find out the secret of the unique beauty of travertine terraces.
People have always preferred to settle near rivers. What are the advantages and disadvantages of...
Mercury, Venus, Earth and Mars may have they formed in much the same way, but only the Earth is...
A trópusi esőerdőkre bolygónk légkörének védelme miatt is vigyáznunk kell.
Wind, as an external force, plays an important role in shaping coastal areas and steppes.