Sun-rays reaches earth in (approximately)

A. 8 seconds

B. 8 minutes

C. 4.3 seconds

D. 1 light year

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  1. Period of sunspot cycle is
  2. An imaginary belt of 12 constellations or group of stars la called
  3. Which of the following planets is called 'blue planet'?
  4. Which star has the largest percentage In the universe
  5. Which of the following is the largest ocean?
  6. The difference between day and night increases as one moves
  7. Which planet rotates on its axis from north to south?
  8. Polar diameter of the Eearth is.
  9. How many planets does our Solar System consist of?
  10. Big Bang Theory' explains
  11. What meridian is the International Date Line?
  12. When does the Vernal Equinox occur?
  13. What happens when ships cross the International Date Line?
  14. Which planet does take the least time in completing one revolution around the Sun?
  15. What is the name of the planet which takes 88 days to make one revolution of the Sun?
  16. How much time is taken by the Moon in completing one revolution around the Earth?
  17. What is siderial day?
  18. Which of the following statements are true?1. Inner Planets are alternatively called Terrestrial Planets.2.…
  19. The group of small pieces of rock revolving round the Sun between the orbits of Mars and Jupiter are…
  20. The Sun experiences magnetic storms and this Interferes with the magnetic field oC the Earth and produces…
  21. From west to east, what are the three main island groups in the Pacific called?
  22. An ancient star that has collapsed matter so dense that It creates gravitational force so powerful that…
  23. On which date is the Earth in 'aphelion'?
  24. Which star la called the brightest star (Dog star)?
  25. Going into the interior of the earth the weight of an object
  26. What is the most accurate description of the shape of the earth?
  27. Which two planets do not have any satellites?1. Mercury2. Venus3. Saturn4. Pluto
  28. Which of the following statements is correct with reference to our Solar System?
  29. Sun-rays reaches earth in (approximately)
  30. The study of universe on grand scale is called.