1. Which planet is known as the 'Red Planet'?
2. Which celestial body is the natural satellite of Earth?
3. What is the closest star to the Earth?
4. What is a light-year?
5. Which planet has the largest number of moons?
6. What are meteoroids?
7. What is the shape of our galaxy?
8. Which planet is known for its prominent ring system?
9. What is the pole star also known as?
10. Which planet takes the shortest time to orbit the Sun?
11. Which planet is farthest from the Sun?
12. What is a constellation?
13. Which constellation resembles a hunter?
14. What is the largest planet in the solar system?
15. Which planet rotates on its side?
16. What is a comet made of?
17. Which celestial body revolves around planets?
18. What causes the phases of the moon?
19. What is an artificial satellite?
20. Which planet is known as the 'Evening Star'?
21. Which gas gives Mars its red color?
22. Which planet has the shortest day?
23. Which planet has a thick atmosphere of carbon dioxide and shows greenhouse effect?
24. What is the Sun mainly composed of?
25. Which instrument is used to observe distant celestial bodies?
26. How long does the Moon take to complete one revolution around the Earth?
27. Which planet is known for its blue color due to methane gas?
28. What are asteroids?
29. What is a meteor commonly called when it burns in Earth's atmosphere?
30. Which planet has the Great Red Spot?
31. What is the Milky Way?
32. Which celestial body has no atmosphere?
33. What is the primary cause of day and night?
34. What causes solar eclipses?
35. Which Indian satellite was first launched successfully?
36. Which gas is most abundant in the Sun?
37. What is an orbit?
38. What is the Moon’s gravitational pull compared to Earth’s?
39. Which of these is not a planet?
40. Why do stars appear to move in the sky?