Posted By: Mona - Astronomy
Heroes of the Revolution – Doodles - 04/30/18 08:56 PM
For umpteen centuries people thought the Earth was the center of the cosmos. In the 2nd century AD, this view was the foundation for Ptolemy's Almagest and it persisted into the 18th century. But it wasn't unchallenged, there was a revolution in the making.
Heroes of the Revolution – Doodles