Our galaxy is Milky Way galaxy and it is spiral in shape. Sun is one of the stars of the milky Way Galaxy. Our solar system consists of a star ( Sun), eight planets and countless fragments of left-overs called asteroids, meteors, comets and satellites of the planets.
1. How many times the Sun is bigger than the Earth?
A. 100
B. 102
C. 103
D. 109
2. The energy of the Sun comes from the fusion of...
A. Methane into Carbon
B. Hydrogen into Oxygen
C. Hydrogen nuclei into Helium
D. Helium into Carbon
3. How much time does Sunlight take to reach the Earth?
A. 20 minutes 12 second
B. 10 minutes 15 second
C. 5 minutes 3 seconds
D. 8 minutes 16 seconds
4. The present age of the Sun is
A. 4.6 billion years
B. 2.7 billion years
C. 3.9 billion years
D. 8.9 billion years
5. Who has the fastest revolution in the Solar System?
A. Venus
B. Mercury
C. Mars
D. Jupiter
6. How many days does Mercury take to complete one revolution?
A. 55 days
B. 66 days
C. 44 days
D. 88 days
7. Who is known as 'Earth's twin'?
A. Mercury
B. Venus
C. Saturn
D. Neptune
8. Which one is known as a 'Red planet'?
A. Jupiter
B. Venus
C. Mars
D. Mercury
9. How many natural satellite Jupiter have?
A. 63
B. 65
C. 68
D. 70
10. Name the largest satellite of the Solar System.
A. Callisto
B. Prominent
C. Ganymede
D. Moon
11. How much time does Saturn take to complete one revolution?
A. 29 days
B. 29 years
C. 29 months
D. 29 seconds
12. How much time Neptune does take to complete one rotation?
A. 16.2 days
B. 17.5 days
C. 18.3 days
D. 15.7 days
13. When Neil Armstrong and Edwin Aldrin reached the moon?
A. On 23 June 1965
B. On 13 August 1960
C. On 12 September 1966
D. On 21 July 1969
14. Hailey's comet reappears after...
A. 69 years
B. 76 years
C. 56 years
D. 45 years
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