Science

The halo consists of old stars and globular clusters, and 90 percent of the material it contains is located within a radius of 100.000 light years from the center of the Milky Way.

The limit of error in the calculation is 21 million years.

They are located close to each other in the northern hemisphere, right near the prime meridian.

It is longer than the sidereal month because in the process of illuminating the moon's disk, we must take into account the movement of the Moon itself, as well as the Earth and the Sun.

During the first year of life, an infant's brain enlarges threefold.

They are: Basal tears (protecting and nourishing cornea) Reflex tears (glands' reaction to irritating compounds, like smoke) Emotional tears (produced in response to various emotional states)

It is covered in lighter and darker areas: seas, lakes, bays, islands, rivers, canals, mountain ridges, valleys, fjords, and dunes.

Phobos was a son of Ares, a god of war. Ares is a counterpart of Mars from Roman mythology.

As a result, diamond is a transparent, non-reactive insulator, and graphite is a black conductor, susceptible to chemical modifications.