The Solar System

Efforts by –Aagman Saini

‘Sol’ is a Latin word , It means the Sun. Solar means all that are connected with the sun in

some way or the other. The solar system consists of the sun at the centre, the 8 planets that revolve round the sun & the satellites that

revolve round the planets. the solar system also includes asteroids , comets & meteors. Solar

system can be defined as the sun together with eight planets and all other celestial bodies that

are bound by its gravity.

Introduction

The word planets come from a Greek word planetai which means wanderer. They are celestial bodies that revolve around the sun in a fixed path called an orbit They are spherical in shape. They have no heat and light of their own but they reflect the light the sun.

planets

There are 8 planets in our solar system: Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune

Number of Planets

The mercury is the smallest planet in the solar system. It is also closest to the sun. It has no moon . There is no trace of water and atmosphere around this planet. Hence , life is not possible on this planet. Mercury is named after the messenger of Roman God.

Mercury

The Venus is the second planet from the sun. it is often called the earth’s twin because of its size. Its size , mass and density are similar to that of the earth. It is the brightest planet of the solar system. Venus is named after the roman god of love and beauty. It has no moon.

Venus

The earth is our home . It is a unique planet in the solar system where life is possible. The earth is located at a favourable distance from the sun. the earth is the only planet on which water is found in liquid , solid and gaseous form. It has one moon . It is therefore called the blue planet.

Earth

The mars is about half of the earth’s size. Its surface is red and it is therefore known as red planet. It has almost the same the same period of rotation as the earth. It has two moons.

Mars

The Jupiter is the largest planet of the solar system . It has light and dark bands around it. Jupiter with its 67 moons is referred to as the mini solar system its average surface temperature is – 100.c.

Jupiter

The Saturn is another unique planet.it has bright rings around its equator. These rings are made of icy particles.it is colder than Jupiter .it has 62 moons. Saturn is named after Jupiter’s father in roman mythology.

Saturn

The Uranus was discovered in 1781 by william hershchel .According to NASA, it has 27 moons. Uranus also has rings around its equator . It is named after the Greek god of sky.

Uranus

The Neptune is similar to the size & structure of Uranus . These to planets are called the twin giants. Neptune is named after the roman god of sea.

Neptune

Between the orbits of mars and Jupiter . Thousands of planet- like small bodies revolve around the sun along with the planets . These are called asteroids or planetoids .

Asteroids

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