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When does the Vernal Equinox occur?

A. December 25

B. March 21

C. February 28

D. January 14

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  1. Which of the following conditions la the most relevant for the presence of life on Mars?
  2. Which of the following is not an astronomical object?
  3. Planet with nearly equal rotation and revolution time to the earth is _____.
  4. Which of the following statements prove(s) that the earth Is spherical?The Sun rises and sets at different…
  5. Smallest planet of our Solar System is _____.
  6. What are the Pleides?
  7. Which planet does experience a day almost of the same duration as the Earth?
  8. What is the temperature of the sun estimated at approximately?
  9. The planet of lowest density (0.69) is __ .
  10. How many of the following statements are true?1. Mean Solar Day is greater than Sidereal Day approximately…
  11. The study of universe on grand scale is called.
  12. A celestial body which revolves round the Sun and receives heat and light from it is called _____.
  13. The Sun contains over ___of the total mass of the Solar System.
  14. Brightest planet of our Solar System is _____.
  15. A 'black hole' is a body in space which does not allow any radiation to come out. This property is due…
  16. A Light Year measures
  17. Shoemaker-Levy 9 is a
  18. Which is the second largest satellite in the Solar System?
  19. Which of the following statements are true?1. Inner Planets are alternatively called Terrestrial Planets.2.…
  20. Average density of the Earth is ( relative to water) __.
  21. What is a 'synodic month'?
  22. Planet nearest to the earth is _____.
  23. Among the following which planet takes maximum time for one revolution around the Sun?
  24. What happens when ships cross the International Date Line?
  25. Big Bang Theory' explains
  26. Relatively cool spots of the Sun are called __ while relatively hot spots of the Sun are called __.
  27. In which of the following planets, the Great Red Spot has been the special feature?
  28. What is the Southern Cross?
  29. Polar Auroras are
  30. Sun-rays reaches earth in (approximately)