The Solar System

The Solar System :

Ø The Solar system consists of the sun, the eight planets and their satellites (or moons), and thousands of other smaller heavenly bodies such as asteroids, comets and meteors.

Ø The sun is at the center of the solar system and all these bodies are revolving around it.

Ø The gravitational pull of the sun keeps all the planets and other objects revolving round it. Thus, the motion of all the members of the sun.

Ø Planets revolve around the sun in elliptical orbit.

Ø In the solar system the planet nearest to the sun is Mercury and the planet farthest from the sun Neptune (not Pluto).

Ø The size of solar system has been estimated to at about 10^5 A.U.

Ø The solar system is dominated by the sun which accounts for almost 99.9% of the matter in the whole solar system.

Ø The sun is also the sound of all the energy in the solar system.

Ø Mercury, Venus, Earth, Mars are called terrestrial planets and Jupiter, Saturn, Uranus and Neptune are called gaseous planets.