Which of the following is not a star?(i) Alpha century (ii) Pole Star (iii) Shooting Star(iv) Sun

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 45 Name any two artificial satellites. 46 What is the difference between a natural and an artificial satellite?