This is just the beginning! Our collection holds over 300 years of history, including rare newspapers, obituaries, marriage records, birth records, and so much more—most of which you won’t find anywhere else!
The Earth as a Turning Planet Its Copernican Quest
A 15 volume Compton’s encyclopedia is sent to Dorothy Schaffner for her question about who discovered the earth is a planet. The piece traces ancient and later proofs from Herakleides and Aristarchus to Copernicus and Galileo, noting how the earth’s rotation and heliocentric view were established and challenged.
MENTIONED IN THIS ARTICLE
Andy
Compton
Dorothy Schaffner
Omaha, Neb
Earth
Solar System
Herakleides
Aristarding
Aristotle
Nikolaus Kopernik