Moon and sun size estimate

When Anaxagoras suggested the Sun was the size of Greece, he was exiled. 200 years later, Aristarchus estimated sun to be gigantic and venus/mars as comparable in size to Earth.
 Aristarchus Greece 280 BCE Moon and sun size estimate

When Anaxagoras suggested the Sun was the size of Greece, he was exiled. 200 years later, Aristarchus estimated sun to be gigantic and venus/mars as comparable in size to Earth.