The universe is made up of a number of galaxies The universe is made up of a number of galaxies in one such galaxy there is a solar system. The in one such galaxy there is a solar system. The solar system consists of 8 planets – Mercury , solar system consists of 8 planets – Mercury , Venus, Earth, Mars, Jupiter, Saturn, Uranus, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto ( which was a planet but now Neptune and Pluto ( which was a planet but now it has got a pink slip). They all move on their path it has got a pink slip). They all move on their path known as ‘orbit’. They all move around a big star known as ‘orbit’. They all move around a big star called ‘Sun’. They all can be seen through a called ‘Sun’. They all can be seen through a instrument known as ‘instrument known as ‘Telescope’.Telescope’.

Mercury:Mercury: It is the nearest planet to the Sun. It’s temperature is -170 It is the nearest planet to the Sun. It’s temperature is -170 Degree to 430 degree Celsius. It has no satellite. It completes one full Degree to 430 degree Celsius. It has no satellite. It completes one full rotation after 88 earth days. rotation after 88 earth days.

Venus:Venus: It is the second planet after Mercury. It is named after the It is the second planet after Mercury. It is named after the Greek god. It’s temperature is same as Mercury. It also takes 88 earth Greek god. It’s temperature is same as Mercury. It also takes 88 earth days to complete one full rotation. days to complete one full rotation.

Earth:Earth: Earth is a special type of a planet. It is Earth is a special type of a planet. It is the only planet with life on it. It’s temperature is the only planet with life on it. It’s temperature is 58 degree Celsius to -89.6 degree Celsius. It 58 degree Celsius to -89.6 degree Celsius. It has three seasons namely Winter, Summer and has three seasons namely Winter, Summer and Monsoon. It has a satellite called moon. The Monsoon. It has a satellite called moon. The U.S.A. astronomer Neil Armstrong landed on U.S.A. astronomer Neil Armstrong landed on the moon by keeping firstly his left leg on it.the moon by keeping firstly his left leg on it.

Mars:Mars: The red planet is the third planet in Solar The red planet is the third planet in Solar system. It’s temperature is -140 degrees to 20 system. It’s temperature is -140 degrees to 20 degrees Celsius. It's rotation period is 1 earth degrees Celsius. It's rotation period is 1 earth year and 10 ½ months. It has two satellite year and 10 ½ months. It has two satellite Deimos and Phobos. Phobos has a diameter of Deimos and Phobos. Phobos has a diameter of 22km. Deimos has a diameter of 14km. 22km. Deimos has a diameter of 14km.

Jupiter:Jupiter: It is the fifth planet away from the Sun. It is the fifth planet away from the Sun. This is the biggest planet in the solar system This is the biggest planet in the solar system founded by Galileo Galilee. It’s average founded by Galileo Galilee. It’s average temperature is -140 degree Celsius. This planet temperature is -140 degree Celsius. This planet has three thin rings around it’s equator. This has three thin rings around it’s equator. This planet has 16 satellites. The four large planets planet has 16 satellites. The four large planets are respectively given:- Lo, Europa, Ganymede are respectively given:- Lo, Europa, Ganymede and Callistol. These all were discovered by and Callistol. These all were discovered by Galileo in 1610.Galileo in 1610.

Saturn:Saturn: It is the second largest planet after It is the second largest planet after Jupiter. It has 7 rings around the equator. They Jupiter. It has 7 rings around the equator. They were discovered by the Italian scientist Galileo were discovered by the Italian scientist Galileo Galilee in the 1600’s. It’s temperature is -180 Galilee in the 1600’s. It’s temperature is -180 degree Celsius. Saturn has the highest number degree Celsius. Saturn has the highest number of satellies(18). Titan is largest of all. Some of satellies(18). Titan is largest of all. Some other satellites are Mimas,Iaptus,Hyperion.other satellites are Mimas,Iaptus,Hyperion.

Uranus:Uranus: Uranus is the third largest planet after Uranus is the third largest planet after Saturn. This planet was discovered by Sir Saturn. This planet was discovered by Sir William Herschel 1781. It’s temperature is -220 William Herschel 1781. It’s temperature is -220 degree Celsius. It has 10 rings which are 50km degree Celsius. It has 10 rings which are 50km long. It has 17 satellites. All the seventeen of long. It has 17 satellites. All the seventeen of them were named after the plays of William them were named after the plays of William Shakespeare and Alexander Pope. The largest Shakespeare and Alexander Pope. The largest and brightest satellite is Titania. Some other and brightest satellite is Titania. Some other satellites are Oberon, Cordelia. Cordelia is the satellites are Oberon, Cordelia. Cordelia is the smallest of them.smallest of them.

Neptune:Neptune: Neptune is the fourth largest planet in Neptune is the fourth largest planet in the solar system. It’s temperature is -210 the solar system. It’s temperature is -210 degree Celsius. Neptune has eight satellites. degree Celsius. Neptune has eight satellites. Only two of them can be seen from the earth by Only two of them can be seen from the earth by telescope. The other 6 and several rings were telescope. The other 6 and several rings were discovered by Voyager 2 in 1989. Triton is discovered by Voyager 2 in 1989. Triton is Neptune’s largest satellite. Neptune takes 165 Neptune’s largest satellite. Neptune takes 165 earth days to complete one full rotation. earth days to complete one full rotation.

Pluto is not a planet though there is a little Pluto is not a planet though there is a little information and a diagram of Pluto.information and a diagram of Pluto.

Pluto: Pluto: Pluto was discovered by W.Tombaugh in Pluto was discovered by W.Tombaugh in 1930. Pluto’s temperature is -230 degree to -1930. Pluto’s temperature is -230 degree to -220 degree Celsius. Pluto takes 247.7 yeas to 220 degree Celsius. Pluto takes 247.7 yeas to complete one full rotation. Pluto has 1 satellite complete one full rotation. Pluto has 1 satellite called Charon. Charon was discovered by called Charon. Charon was discovered by James W. Christy in 1978. Pluto after getting James W. Christy in 1978. Pluto after getting the pink slip is now known as ‘The Dwarf the pink slip is now known as ‘The Dwarf Planet’. Planet’.

Balraj Shukla