100 greatest discover : a disk of stars, plastic, jupiters moons By facebooker_1079854020 May 27, 1550 if the telescope had not even invented, the people of the world wouldn't have known that in the solar system, are 9 planets Feb 15, 1564 if galileo galilei had not invented the telescope, willian herschel would not have developed the big telescope that he could discover uranus. Sep 29, 1594 if galileo had studied philosofy, mankind would not have known that jupiter has 16 moons. Nov 15, 1738 if willian herschel had not borned. he would not have developed the telescope Dec 28, 1754 if herschel had studied chemistry, he would not have constructed a very big telescope wich could discovered a lot of planets and stars Aug 27, 1772 if herschel had not studied astronomy, he would not have discovered more constelations. Mar 13, 1781 if willian herschel had not developed the telescope., he would not have discover uranus if willian herschel had not developed the telescope., he would not have discover uranus Feb 18, 1785 if willian herschel had not developed the big telescope, he would not have discovered that the sun moves and doesnt stay in one place Sep 29, 1837 if wesley had not borned, the conception of science about plastic would not have changed Nov 27, 1880 if john wesley had not invented the plastic, mankind would not have had many things in our lifes that are made with plastic