Our Earth in the Solar System
Q.1. What are ‘heavenly bodies’? What is the other name for these?
Q.2. Name some celestial bodies.
Q.3. What are stars?
Q.4. What is a light year?
Q.5. Which is the star nearest to the Sun?
Q.6. What are constellations?
Q.7. Describe the ‘Saptarshi Mandal’? Give other names for it?
Q.8. What is a ‘Galaxy’? Our sun belongs to which galaxy?
Q.9. What is space?
Q.10. What does the words ‘solar system’ mean? What does it consist of?
Q.11. What are the two functions of the Sun?
Q.12. How were the Sun, the planets and the asteroids formed?
Q.13. Describe planets?
Q.14. Name the inner planets?
Q.15. Name the outer planets?
Q.16. Which is the largest planet?
Q.17. Which is the smallest planet?
Q.18. Which is the hottest planet? Why?
Q.19. Which planets have rings around them?
Q.20. What are the Trojans?
Q.21. What is a planet?
Q.22. Why is Pluto not a planet? What do we call such a heavenly body?
Q.23. What is the difference between stars and planets?
Q.24. Which two types of motion are exhibited by planets?
Q.25. What is revolution?
Q.26. What is rotation?
Q.27. Which planet is known as the blue planet?
Q.28. Describe earth?
Q.29. Why do we call our earth a unique planet?
Q.30. Who proved that the earth is round?
Q.31. Which proof states that the earth is round?
Q.32. What is a satellite?
Q.33. Which is the largest satellite of the solar system?
Q.34. How many satellites does these planets have
Saturn
Jupiter
Uranus
Mars
Q.35. Describe the Moon?
Q.36. What are craters?
Q.37. State the phases of the Moon?
Q.38. What are asteroids?
Q.39. What are meteorites?
Q.40. What are comets?
Q.41. Name the parts of a comet.
Q.42. Describe India’s Space Programme?
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