Celestial Bodies


 
 
Concept Explanation
 

The Celestial Bodies

The Celestial Bodies:

The celestial bodies are objects in space such as Sun, Moon, planets etc. Stars are self lighted where as the planets shine only when they receive the light of the sun. The planets revolve around the sun. The vast unbounded space is called the universe.. The universe includes galaxies, stars, planets, satellites, asteroids, comets, meteors and all other heavenly bodies.

If we look up into the sky on a clear dark night, we can see a faint band of light running across the heavens. This is the Milky Way, our own Galaxy. It contains about two hundred billion stars and countless other objects. The stars of this galaxy spread out from its centre like a spiral. It is, therefore, known as a spiral galaxy. All the members of this galaxy, including the sun (and its ‘solar family’) and billions of other stars, revolve around its centre in much the same way as the earth revolves round its own axis. The Milky Way Galaxy is, thus, indeed a very huge object. However, we now know that our universe contains billions of such galaxies. The Milky Way Galaxy is, thus, but a very tiny part of the universe as a whole.

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Sample Questions
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Question : 1

The majority of asteroids are found between the orbits of ______________

Right Option : A
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Question : 2

Which of the following are correct :

(a) Stars are self lighted where as the planets shine only when they receive the light of the sun.

(b) The planets revolve around the Moon.

(c) Planets are self lighted where as the stars shine only when they receive the light of the sun.

Right Option : A
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Question : 3

Which of the following are the celestial bodies are ___________

Right Option : D
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