A Light Year measures

A. A unit of velocity

B. A unit of distance

C. A unit of pressure

D. A unit of time

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. Sun revolves around galaxy once in every 250 million years, this length of time is called _____.
  2. The time taken by the sun to revolve around the centre or our galaxy is
  3. Equatorial circumference of the Earth is
  4. In which of the following planets, the Great Red Spot has been the special feature?
  5. How much time does the earth take in completing one rotation on its axis in relation to sun?
  6. How much Is the average distance of the Sun from the Earth?
  7. What are the Pleides?
  8. What is siderial day?
  9. What is the primary cause of the day and night?
  10. Polar circumference of the Earth is
  11. On which date is the Earth in 'aphelion'?
  12. All asteroids collectively revolve around the
  13. Planet nearest to the earth is _____.
  14. How many satellites does the largest planet have?
  15. Orion and Great Bear stand for ______.
  16. Brightest planet of our Solar System is _____.
  17. Charon' is the satellite of _____.
  18. The date on which the Sun is vertical over the 'Tropic of Capricorn' is
  19. What part of the moon's surface is never visible from the earth?
  20. Which of the following is not an astronomical object?
  21. Which one of the following conditions is moat relevant for the presence of life on Mars?
  22. The difference between day and night increases as one moves
  23. On the summer solstice in the Northern Hemisphere which of the hollowing latitudes will have the longest…
  24. A family or system of millions and millions of stars are called ____.
  25. What is the distance around the earth at the Equator?
  26. Equatorial diameter of the Earth is __.
  27. Which planet does take the longest time in completing one revolution around the Sun?
  28. If the stars are seen to rise perpendicular to the horizon by an observer, he is located on the \
  29. How many of the following statements are true?1. Mean Solar Day is greater than Sidereal Day approximately…
  30. A meteor is