Solar system


 
 
Concept Explanation
 

Solar system

Solar System:

The sun and everything that revolves around it form the solar system. The planets and their moons, comets and other space objects revolve in their orbit around the sun.

Objects Of Solar System:

According to the new definition there are eight planets in the solar system. In the order of their increasing distance from the Sun, they are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Pluto and Ceres is placed under the category of dwarf planets.

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Sample Questions
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Question : 1

Which of the following are correct ?

(a)  In the order of their decreasing distance from the Sun, they are Mercury, Venus, Earth, Mars, Jupiter, Star , Uranus and Pluto and Ceres is placed under the category of dwarf planets.

(b) The whole of the matter of the universe was concentrated in a very dense and hot fire ball about 20 billion years ago.

(c) An explosion occurred and the matter was broken into pieces in the form of stars and galaxies.

Right Option : B
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Question : 2

In the order of planets with respect to their increasing distance from the Sun are

Mercury, Venus, Earth, Mars, ________________, Saturn, Uranus and Pluto and Ceres is placed under the category of dwarf planets.

Right Option : A
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Question : 3

Solar system consists of _________________.

Right Option : D
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