1. Which two planets of the solar system have no satellites?
2. On which planet of the solar system does the sun rise in the west and set in the east?
3. After how many years from stars gives the idea of which quality?
4. The light coming from stars gives the idea of their which quality?
5. Which celestial body besides earth bear, The Sea of Tranquility and The Ocean of Storms?
6. What is the time required by moonlight to reach the earth?
7. If there is no Sun, what would be the colour of the sky?
8. In which the radiant energy of the sun is transmitted?
9. Which planet take maximum time for one revolution around the Sun?
10. On which date does Summer Solstice in the Southern Hemisphere occur?
11. What is the approximate equatorial circumference of the earth?
12. On which date the earth is at the largest distance from the sun (Aphelion)?
13. The mapping of which part of earth is most difficult?
14. What will be the shortest day in Australia?
15. Of the total volume of the earth, which layer forms the major part?
16. Which phenomenon gives an evidence for the spherical shape of the earth?
17. How much does the earth revolves round the sun in its orbit by approximately?
18. The heavier silicates named 'Sima' or silica + magnesium are most abundant in which layer?
19. The tide at its maximum height is known by which name?
20. Through which group of countries does the Equator pass?
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