How did galileo revolutionize the field of astronomy

During the time of his life, Galileo was a famous person who published a book detailing in very common-tongue and accessible language different discoveries he had made in his observations which showed that he view of the universe which was in existence at the time - the Ptolemaic concept of the universe - was false. 

Ending prohibition in oklahoma schools

Silver is the answer i thinkhope it helds