Name the two planets between which lie the orbits of asteroids.

39 Explain why the number of meteors striking the moon’s surface is quite large whereas very few reach the earth’s surface? 40 Why are meteors commonly called shooting stars? 42 Name the bodies of the solar system that have failed to assemble into a planet. 43 Classify the following into planets, satellites, stars and constellation. Moon, Alpha Centuri, Neptune, Orion, Mercury, Ursa Major, Sun, Phobos