Science

The Moon's core consists of a solid part made mainly of iron and a semi-liquid part surrounding it.

Heated amber emits a pine-tree fragrance.

Snowfall has also been observed on Mars.

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

Since the beginning of the 21st century, many companies and research laboratories have been working on developing commercial applications of graphene.

Until 1920, most astronomers believed that the Milky Way contained all the stars in the universe.

Unlike Phobos, Deimos rises in the east and sets in the west of the Martian sky.

The first NASA Space Shuttle, Columbia, at the end of its final flight on February 1st, 2003, disintegrated upon reentry, which resulted in the death of all seven members of the crew.

The development of the universe can be divided into five stages.

The area of Enceladus is over 800.000 square kilometers.