Seleucus of Seleucia was an ancient astronomer who defended heliocentrism, arguing that Earth orbits the Sun and rotates on ...

Orb: On the Movements of the Earth is currently streaming on Netflix . Steve is on Bluesky now, and he's okay with that. He ...

Studying to become a Lutheran minister, it was here that Kepler was introduced to the ideas of heliocentrism by Polish polymath Nicolaus Copernicus. Kepler found work teaching mathematics at Graz ...

Copernicus’ argument notably deemphasized Earth’s place in the universe to such a blasphemous degree in the eyes of the ruling feudal elites of the time that when Galileo made observations ...

THE results of the ‘Copernican Revolution’ have been well described by historians of science. Less has been said about the origins of this revolution; that is, the problems and facts leading ...