Science

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.

Probably in 365 BC, the Chinese astronomer Gan De managed to observe Ganymede with the naked eye.

Until the end of the 20th century, it was believed that nicotine did not lead to the development of cancer.

Larger doses of nicotine cause permanent blocking of the nervous system.

Despite its synchronous rotation, the Moon is constantly tilted to one side or the other.

Fungi have developed a high degree of metabolic versatility, which allows them to use a variety of organic substances for growth.

The period when the moon orbits the Earth is called a sidereal month, and it lasts 27,3 days.

Ganymede orbits Jupiter at a distance of 1.070.400 kilometers. The complete orbit takes 7 days and 3 hours.

An eclipse of Deimos by Mars' shadow occurs on average 110 times per Martian year. Such an eclipse can last up to 4 hours.

Later, pure silver coins were produced.