https://www.humantruth.info/tags/ionia.html
Human Truth Foundation pages (3):
The History of Atheism: 2. 6th-2nd Century BCE
What is Science and the Scientific Method?: 2.1. Ionia, 6th century BCE
Christianity v. Astronomy: The Earth Orbits the Sun!: 3. The Rise and Fall of Ionian Astronomy, from 600BCE