31 min listen
Episode 19: The Forerunners of Copernicus
ratings:
Length:
66 minutes
Released:
Jul 13, 2022
Format:
Podcast episode
Description
At the dawn of the Hellenistic Age, two Greek astronomers developed radical new cosmologies. Heraclides of Pontica proposed that the Earth rotated on its axis and that Mercury and Venus revolved around the Sun instead of the Earth. Aristarchus of Samos went further and proposed that all the planets, including the Earth, revolved around the Sun. In addition, Aristarchus made the first quantitative measurement of the distances to the Sun and the Moon, along with their sizes.
Released:
Jul 13, 2022
Format:
Podcast episode
Titles in the series (41)
Episode 1: The Heavens & History: How should we approach the history of astronomy?  How have the questions that astronomers have asked changed through the ages?  We look at some of these questions and sketch out the broad arc of this field from antiquity to the present day. by The Song of Urania