On Science and Logic

Before Nicolaus Copernicus, geocentrism was the dominating theory in modeling planetary motions. Geocentrism (such as Ptolemaic system) can predict fairly well the motion of the stars. But for the motion of the planets, Ptolemaic system fails to predict their motion. That’s why planets means “wandering stars” (Ancient Greek: ἀστέρες πλανῆται asteres planetai). To overcome this limitation, theContinue reading “On Science and Logic”