50 interesting questions most people ask about universe

 

1. What is the origin of the universe?
2. How old is the universe?
3. What is the size of the universe?
4. Is the universe expanding?
5. What is dark matter and dark energy?
6. Is there life on other planets?
7. How many galaxies are there in the universe?
8. What is a black hole?
9. Can black holes be observed?
10. Are there multiple universes?
11. What is the fate of the universe?
12. What is the shape of the universe?
13. What is the purpose of the universe?
14. Is the universe infinite?
15. What is the composition of the universe?
16. What is the Big Bang theory?
17. How do scientists study the universe?
18. What is the Doppler effect?
19. What is the cosmic microwave background radiation?
20. What is the difference between the observable universe and the unobservable universe?
21. How do astronomers measure distances in the universe?
22. What are the four fundamental forces of the universe?
23. What is a quasar?
24. What is the cosmic web?
25. What is the cosmic horizon?
26. What are the three main types of galaxies?
27. What is the difference between a star and a planet?
28. What is a supernova?
29. What is a nebula?
30. What is the difference between a red giant and a white dwarf?
31. What is the habitable zone?
32. What are the different phases of the Moon?
33. What are the planets in our solar system?
34. What is the Oort Cloud?
35. What is the Kuiper Belt?
36. What is the Asteroid Belt?
37. What is a comet?
38. What is a meteor?
39. What is a meteorite?
40. What is an asteroid?
41. What is a dwarf planet?
42. What is the difference between an asteroid and a comet?
43. What is the difference between a meteor and a meteorite?
44. What is the difference between a planet and a dwarf planet?
45. What is the difference between a star and a sun?
46. What are the brightest objects in the universe?
47. What are the closest galaxies to the Milky Way?
48. What are the most distant objects in the universe that have been observed?
49. What is the most massive known object in the universe?
50. What is the hottest known object in the universe?