Solar System Questions and Answers

This is the Part 1 general knowledge questions and answers section on “Solar System” with explanation for various interview, competitive examination and entrance test. Solved examples with detailed answer description, explanation are given and it would be easy to understand.

solar system quiz

1. What is solar system?
The Sun, the planets around the Sun and the satellites around the planets are jointly called the Solar System

2. The planets in the solar system move in a regulated path, why?
Because of the gravitational force of attraction of the sun

3. What is cosmic year?
The revolution of the Solar System around the centre of the Milky Way is called cosmic year. Time taken for one revolution is 250 million years.

4. What is the distance of Solar system from the centre of the galaxy?
30,000 to 33,000 light years.

5. From where was Solar system originated?
It was originate in a primitive Solar Nebula of a rotating disc of gas and dust.

6. What is Van Allen Belt?
Van Allen Belt is a Zone of Ozone in the lonosphere.

7. What is the importance of Van Allen Belt?
Van Allen Belt keeps away the ions and poison gases from outer space. The deflection of the ions by the Van Allen Belt is seen as auroras.

8. Who discovered the Van Allen Belt and when?
The American scientist Van Allen discovered it in November 1958.

9. What is parsec?
Subramaniyam Chandrasekher, the Indian born astrophysicist and Nobel Laureate.

10. What is a geo-stationary satellite?
It is a satellite that revolves round the earth at a suitable height with same velocity and In the same direction as earth does in Its own axis.

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