Our Solar system is located in the Orion arm(Local Arm) around two-thirds from the central bulge of the Milky Way,which turns once every 220 million years .The age of the solar system is 4.6 billion years .
The solar system comprises a central star,the Sun,and the bodies that orbit it .The bodies in the solar system include eight planets and their 61 known Moons,asteroids,meteoroids and comets as well as interplanetary gas and dust .
The solar system can be divided into an inner system of four small,solid planets which includes Mercury, Venus,Earth and Mars (these are also known as inner planets),and the outer system comprising the four much large planets Jupiter, Saturn, Uranus, Neptune (these are also known as outer planets), which consists of light materials .
The distance of planets from Sun:
Mercury =58 million kilometers
Venus =108 million kilometers
Earth =150 million kilometers
Mars =228 million kilometers
Asteroid belt
Jupiter =778 million kilometers
Saturn =1427 million kilometers
Uranus =2871 million kilometers
Neptune =4499 million kilometers
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