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Solar System

Solar System

Solar system is the name given to the sun and various planets, satellites, comets, asteroids and other heavenly bodies that moves in their unique orbits. Now we are discussing planets and their characteristics .

Mercury :

Distance from the sun [KM] : 75.9 million

Equatorial diameter [KM] : 4880

Duration of rotation : 58 days 17 hours.

Duration of revolution : 88 days.

[ Mercury is nearest to the sun and has no satellites. It is also the smallest planets in the solar system.]

 

Venus :

Distance from the sun [KM] : 108.2 million

Equatorial diameter [KM] : 12104

Duration of rotation : 243 days.

Duration of revolution : 255 days.

[Venus has a carbon dioxide rich atmosphere. It does not have any satellites and revolves from east to west.]

 

Earth :

Distance from the sun [KM] : 149.6 million

Equatorial diameter [KM] : 12742

Duration of rotation : 23 hours 56 minutes 4 seconds.

Duration of revolution : 365 days 6 hours.

[Earth is the only planet which has life on it. It has one satellite called moon. Earth is also known as blue planet]

 

Mars :

Distance from the sun [KM] : 227.9 million

Equatorial diameter [KM] : 6780

Duration of rotation : 24 hours 37 minutes.

Duration of revolution : 687 days.

[ Mars has a nitrogen rich atmosphere and an iron rich soil which makes it appear red in colour. This is why Mats is also known as “Red Planet”.]

 

Jupiter :

Distance from the sun [KM] : 778.5 million

Equatorial diameter [KM] : 139822

Duration of rotation : 9 hours 50 minutes.

Duration of revolution : 11 years 318 days.

[Jupiter is called the ” King of Planets” because it is the largest planet.]

 

Saturn :

Distance from the sun [KM] : 1433 million

Equatorial diameter [KM] : 116464

Duration of rotation : 10 hours 14 minutes.

Duration of revolution : 29 years 6 months.

[Saturn is surrounded by millions of tiny satellites which form a ring like structures around it ]

 

Uranus :

Distance from the sun [KM] : 1877 million

Equatorial diameter [KM] : 50724

Duration of rotation : 10 hours 42 minutes.

Duration of revolution : 84 years 1 month.

[Uranus is a very cold planet. It is rich in methane.]

 

Neptune :

Distance from the sun [KM] : 4503 million

Equatorial diameter [KM] : 49244

Duration of rotation : 16 hours 7 minutes.

Duration of revolution : 165 years.

[Neptune is an extremely cold planet.]

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