Average density of the Earth is ( relative to water) __.

A. 5.5

B. 4.5

C. 9.5

D. 6.5

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  1. To a space traveller stationed in Moon, during the day time the lunar sky will appear
  2. Rapidly rotating stars emitting intense radio waves are called ___.
  3. What is the position of the moon called when it la farthest from the earth?
  4. Our Solar System is an orderly community of _____.
  5. Which of the following is known as 'King of Planets'?
  6. If the Sun dies It will be transformed Into a
  7. What is peninsula?
  8. Planet nearest to the earth is _____.
  9. Sidereal means
  10. What is the time difference for every degree of longitude?
  11. A family or system of millions and millions of stars are called ____.
  12. How many planets does our Solar System consist of?
  13. Average temperature of the Earth is.
  14. What is siderial day?
  15. Consider the following statements regarding asteroids:1. Asteroids are rocky debris of varying sizes…
  16. How much Is the average distance of the Sun from the Earth?
  17. When a year divisible by 4 and not divisible by 400 is called
  18. How much is the variation In distance between the Earth and the Sun during aphelion and perihelion?
  19. Polar Auroras are called __ in Southern Hemisphere.
  20. Equatorial diameter of the Earth is __.
  21. When the earth is at its minimum distance from the Sun, it is said to be
  22. Which planet is called 'red planet'?
  23. Distance between the Moon and the Earth is 1. Approximately 386000 km2. 1.25 light seconds
  24. Earth revolves round the Sun In an orbit once In every __.
  25. Planet with nearly equal rotation and revolution time to the earth is _____.
  26. Period of sunspot cycle is
  27. The most important constituent of the Sun's mass is.HydrogenHeliumSiliconIron
  28. A meteor is
  29. The visible surface of the sun is known as
  30. Going into the interior of the earth the weight of an object