Q39. What is a whitish broad band, like a white glowing path that we see across the sky on a clear starry night?


Q40. Write a short note on asteroids.


Q41. Name all the planets according to their distance from the sun.


Q42. What is meant by the ‘Solar System’?


Q43. What are stars?


Q44. Why do we see only one side of the moon always?


Q45. How does a planet differ from a star?


Q46. Why the Earth is called a unique planet?


Q47. Despite being our nearest star, the tremendous heat of the sun is not felt so much. Why?


Q48. Write a short note on Sun.


Q49. How do meteoroids burn up?


Q50. Write about Human-made Satellite?


Q51. Write in brief about all eight planets of solar system.



Last modified: Thursday, 17 January 2019, 2:16 PM