Solar System-3E


The solar system is a gravitationally bound system of the sun and the objects that orbit it, including planets, moons, asteroids etc.

 The solar system was formed 4.6 billion years ago by a gravitational bound from an interstellar molecular cloud.

There are 3 types of planets in our solar system:

“Terrestrial planets”

“Jovian planets”

“Dwarf planets









                     Sun 

The sun is a star at the center of our solar system.

The sun is a giant ball of hot plasma.

The sun’s core fuses hydrogen to helium in a fusion reaction.

The sun is brighter and larger than any object in our solar system.

The sun is at a temperature of 5,778million celsius!












                    Mercury

Mercury is the 1st and smallest terrestrial planet from the sun,It is the closest planet to the sun.It is made of metals & rocks.Mercury takes 88 days to revolve around the sun and it spins about 116 earth days. It does not have any moon.







                     Venus

Venus is the 2nd and hottest planet from the sun.

It is also called the sister planet of earth.Venus is the hottest planet in the solar system,because it is full of greenhouse gases i.e carbon dioxide gas.Venus is named after the roman god of love & war.Venus also does not have any natural satellites. It takes 225 earth days to revolve around the sun.













                        Earth

The earth is the 3rd planet from the sun.

It is the only planet which has a good environment for life.It is also called the blue planet.Earth has 1 natural satellite, the moon. It takes 365.25 days to orbit around the sun and it spins for 24 hours.





                      Mars

 

Mars is the 4th planet from the sun.

It is also called the red planet.Mars is red because of its rusty iron.Mars has the largest volcanos,tallest mountains and the deepest valleys in our solar system.Mars has 2 moons; they are phobos and deimos.it takes 687 earth days to revolve around the sun.





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                    Asteroid belt

The asteroid belt is a belt of asteroids orbiting between mars and jupiter.

Asteroids are small rocky objects smaller than planets.

The biggest asteroids in our solar system are ceres and vesta.



















                          Jupiter



Jupiter is the 5th planet from the sun. Jupiter is the largest planet in the solar system. It is made up of hydrogen and helium like the sun but it is much smaller. 1300 Earths can fit into the jupiter. It has 67 moons. The  four of them are IO,Callisto,Europa, Ganyemed. It takes 12 earth years to revolve around the sun. it has the largest hurricane in our solar system called the red spot.



                  Saturn

Saturn is the 6th planet from the sun.  It has beautiful rings around it. The rings are made up of dust, ice and rocks.saturn has one of the most extreme storms in the solar system, it's called a Hexagon storm. It is a gas planet also made of hydrogen and helium. It has 150 moons. It takes about 29 earth years to revolve around the sun.

















Uranus is the 7th planet from the sun. It is the coldest planet in the solar system.it is in blue colour and it also has a ring which is tilted. Uranus is made of frozen ammonia and ice.it is an ice planet.it takes 84 earth years to revolve around the sun.it has 27 moons.




                       Neptune


Neptune is the 8th planet from the sun. It is an ice planet.neptune takes 164 earth years to revolve around the sun.it has 14 moons.

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