The exercise is to decide whether the question accepts the proposed suggestion as a correct answer. If yes, write "True", otherwise write "False".
Question: who was the first to argue that the sun was the center of the universe
Suggestion: With the observations of William Herschel , Friedrich Bessel , and others, astronomers realized that the sun was not the center of the universe and by the 1920s Edwin Hubble had shown that it was part of a galaxy (the Milky Way ) that was only one of many billions.
