What size and mass of the Sun

What size and mass of the Sun

The sun is a star of the Solar system around which all planets entering it rotate. At the same time in comparison with the planet Earth it is possible to call the sizes and mass of the Sun without exaggeration enormous.

What structure of the sun

What structure of the sun

Without the Sun the life on Earth is impossible. Every second it marks out enormous amount of energy, but the surface of our planet is reached by only its billion part. All energy of the Sun proceeds from its kernel.

As planets of the Solar system look

As planets of the Solar system look

Planets of the Solar system divide into two main groups — gas giants and planets of terrestrial group. The first consist of congestions of gases, planets of the second group have a firm surface.

What the Sun consists of

What the Sun consists of

The huge shining sphere called the Sun still conceals a set of riddles. Any of the devices created by the person is not capable to reach his surface. Therefore all information on the closest to us to a star is obtained by observations from Earth and Earth orbit. Only on the basis of open physical laws, calculations and computer modeling the scientists defined what the Sun consists of.

How many exists planets

How many exists planets

The question of the number of planets is not so unambiguous as it can seem at first sight. The answer to it is defined also by that sense which invests in the word "planet", and the level of human knowledge of the Universe.