gallileo got death punishment

First of all the scientist doesn’t have more knowledge about the universe. Before one century a scientist name Gallelio study about the universe and he gives the knowledge about the universe i.e. the earth is a sphere and it rotate around the sun but there is slightly wrong point i.e. he can’t proved that concept. In that period all the people thanked that earth is a sphere but sun rotates the earth. He was given the different types of concept. Then other persons give him the death punishment when he gives this concept. Then his student Albert Einstein proved this concept by the studying about the theory of relativity. Then Einstein gives the value of radius of the universe as well as mass of the universe. Then he was successful to derive the concept of his teacher concept.