Tag Archives: copernicus

History of Astronomy Part 3: Copernicus and Heliocentrism

Professor Dave again, let’s rethink the solar system. When we left off with Aristarchus, he had correctly proposed that the sun is the center of the solar system, rather than the earth. But he was way ahead of his time, and the geocentric model remained in place for centuries. This model was perfected by Ptolemy… Read More »

Checking Out the Books that Changed Astronomy

Books are becoming less common. It’s an inspirational kind of experience. It’s the inspiration and looking at several generations of development of astronomical thought. All you’ve heard before is lecturers and names on PowerPoint. Well now all of a sudden you’re looking at, you know, at an original book. The students take on a different… Read More »

Mercury retrograde, explained WITHOUT astrology

You may have heard that Mercury is retrograde again. But if you try to find out what that means, search results are dominated by astrologers who believe Mercury can make you spill coffee on your favorite shirt or cause your car to break down. But if you set aside all those creative interpretations, there’s actually… Read More »

Did the Church Actually Hate Copernicus? | Adam Ruins Everything

(whistling) – [Narrator] The Renaissance, the most innovative and hardest to spell period in history. During this era, extraordinary scientific minds broke free from the chains of ignorance. Minds like that of Nicolaus Copernicus who redefined our understanding of the solar system in a flash of inspiration. – Actually – Eureka! We aren’t at the… Read More »