Science

Ganymede's tectonic activity may have occurred in the past, but it does not occur at present.

It is difficult to estimate the approximate number of stars in space.

Mushrooms are of great importance in the development of civilization, due to their key role in the production of bread and wine.

In the Marvel comics, the Large Magellanic Cloud is the heart of the Kree empire.

The largest silver producer in Europe is Poland.

There was a chamber decorated with six tonnes of amber, known as the Amber Room.

The first man to leave his home planet was Yuri Gagarin.

Theoretically, magma can only be studied after it has become lava.

The Aurora Australis appears within the Earth's south magnetic pole.

The Moon's atmosphere consists of 25 percent helium, 25 percent neon, 23percent hydrogen, 20 percent argon and residual amounts of methane, ammonia and carbon dioxide.