Science

Depending on the classification, there are five to seven continents on Earth.

Silver is a metal slightly harder than gold.

There are two types of auroras: northern - Aurora Borealis, and southern - Aurora Australis.

The diameter of the Titan at its equator is 5,150 km.

Earth is a planet full of life. It is inhabited by approximately 11 million species, of which approximately 1.9 million have been described so far.

It has been used in jewelry since 13,000 BC.

The largest canyon both on Mars and in the entire Solar System is Valles Marineris, which stretches 400 kilometers, is 200 kilometers wide, and 10 kilometers deep.

Between the Large and Small Magellanic Clouds, there is a belt of hydrogen that connects both galaxies.

During a volcanic eruption, several hundred cubic meters of lava are usually ejected.

A species of fungus capable of breaking down and digesting polyurethane has been discovered in the Amazon.