1. What is the universe?

2. Which theory explains the origin of the universe?

3. Who proposed the Big Bang theory?

4. According to Big Bang theory, the universe started from:

5. What is Roche Limit?

6. A light-year measures the following:

7. 1 light-year is approximately:

8. A galaxy is

9. Our solar system belongs to:

10. The Milky Way is a

11. Nearest galaxy to Milky Way:

12. Closest known dwarf galaxy to Earth:

13. IC 1101 is:

14. UGC 2885 is known as:

15. Stars are mainly composed of:

16. The closest star to Earth after the Sun is:

17. Distance of Proxima Centauri from Earth:

18. The luminosity of a star depends on:

19. Subgiant phase occurs when:

20. Habitable zone is also called:

21. Habitable zone allows the following:

22. Nebula is

23. Nebulae are also called the following:

24. Closest nebula to Earth:

25. The Orion Nebula is also known as:

26. A supernova is

27. Last supernova observed in Milky Way:

28. A constellation is

29. Ursa Major is also called:

30. Number of prominent stars in Ursa Major:

31. Brightest star in Ursa Major:

32. Ursa Minor is also known as:

33. Indian name of Ursa Minor:

34. Orion is visible during:

35. Brightest star in Orion:

36. Cassiopeia is recognized by:

37. Solar mass equals approximately the following:

38. The Chandrasekhar Limit is about

39. Most abundant element in the universe:

40. Hydrogen makes up approximately the following: