Speed of the revolution of the earth is___'

A. 100000 km per hour

B. 10000 km per hour

C. 1000 km per hour

D. 100 km per hour

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  1. Which planet has the largest equatorial radius?
  2. The atmosphere of Venus contains large quantity of
  3. The term 'syzygy' is referred to when the
  4. Planet with nearly equal rotation and revolution time to the earth is _____.
  5. On which date is the Earth in 'aphelion'?
  6. Polar diameter of the Eearth is.
  7. Brightest planet of our Solar System is _____.
  8. Outside Antarctica, which is the deepest part of the earth?
  9. What is the primary cause of seasonal change on the surface of the earth?
  10. What is the name given to the widened rivermouth found at the point a river enters the sea?
  11. What is the geographical term for land's end, that tip of land which projects into the sea?
  12. What is significant about the town of Greenwich?
  13. Big Bang Theory' explains
  14. A celestial body having its own heat and light is called
  15. What is the distance around the earth at the Equator?
  16. Period of sunspot cycle is
  17. Relatively cool spots of the Sun are called __ while relatively hot spots of the Sun are called __.
  18. The solar eclipse takes place when
  19. What is the Southern Cross?
  20. Which of the following statements are true?1. Inner Planets are alternatively called Terrestrial Planets.2.…
  21. Nearest star to the earth is _____.
  22. The word 'satellite' means _____.
  23. Which of the following are the Inner Planets?1. Mercury2. Venus3. Earth4. Mars
  24. Sidereal means
  25. A celestial body which revolves round the Sun and receives heat and light from it is called _____.
  26. Arrange the Outer Planets in increasing order of their sizes.1. Jupiter2. Uranus3. Saturn4. Neptune
  27. Halley's comet visits us after every.
  28. From west to east, what are the three main island groups in the Pacific called?
  29. What is a 'synodic month'?
  30. If the Sun dies It will be transformed Into a