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Sun revolves around galaxy once in every 250 million years, this length of time is called _____.

A. Cosmic or Galactic Year

B. Mean Solar Year

C. Sidereal Year

D. Leap Year

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  1. What happens when ships cross the International Date Line?
  2. Which of the following are the Inner Planets?1. Mercury2. Venus3. Earth4. Mars
  3. Sidereal means
  4. What la the difference between a gulf and a bay?
  5. An ancient star that has collapsed matter so dense that It creates gravitational force so powerful that…
  6. Consider the following statements regarding asteroids:1. Asteroids are rocky debris of varying sizes…
  7. An imaginary belt of 12 constellations or group of stars la called
  8. Polar diameter of the Eearth is.
  9. When dees the Summer Solstice occur?
  10. The date on which the Sun is vertical over the 'Tropic of Capricorn' is
  11. Who was the first person to describe the earth as a sphere?
  12. What part of the moon's surface can be visible from the earth?
  13. Earth ranks _____ in the Solar System away from the Sun.
  14. Shoemaker-Levy 9 is a
  15. What is the geographical term for land's end, that tip of land which projects into the sea?
  16. Equatorial circumference of the Earth is
  17. How many satellites does the largest planet have?
  18. Arrange the Inner Planets in decreasing order of their distances from the Sun.1. Earth2. Mercury3. Venus4.…
  19. The time period elapsing between one New Moon and the next is approximately
  20. What is the most accurate description of the shape of the earth?
  21. What do you call a narrow neck oC land that connects two larger landmasses?
  22. The atmospheric· pressure on the surface of Venus is more than__ times the atmospheric pressure of the…
  23. The Jupiter's atmosphere comprises mainly of
  24. When the Sun is vertically overhead along the Tropic of Capricorn at mid-day
  25. A celestial body having its own heat and light is called
  26. Largest planet of our Solar System is _____.
  27. A leap year consists of
  28. Which of the following is known as the Cold Planet?
  29. Nearest star from the earth after Sun is
  30. What proportion of the mass of the earth does the mass of the Moon equal?