Science

Most of the dunes are located near the equator.

In diamond, each of carbon’s four valence electrons is involved in the formation of such bonds.

Ganymede has a very thin atmosphere that is almost 100% of oxygen.

Anorexia is the most common among young people and teenagers.

The Moon is so far the only celestial body on which humans have landed.

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.

One can speak of anorexia when certain symptoms appear in a person’s behavior.

Phobos is believed to be an asteroid that has been intercepted by the gravitational field of Mars.

Australians prefer to use the more accessible term - "southern lights" instead of Aurora Australis.

The next description of the galaxy appeared in Amerigo Vespucci's writings on his third expedition. He observed the object in the years 1503 - 1504.