The Almagest is a 2nd century astronomical treatise by Claudius Ptolemy that systematically presents the geocentric model of the universe: that is, that the Earth is at the centre of life, the ...

These famous astronomers bettered our understanding of the universe. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Throughout human history, ...

Claudius Ptolemy was a Greek mathematician, astronomer and geographer who lived in the Egyptian city of Alexandria while under the rule of the Roman Empire. Much of medieval astronomy and geography ...

THE Greek astronomer Ptolemy, who declared the Earth was the centre of the universe, was not only wrong, it seems he fudged his data too. That’s the conclusion of physicist Dennis Duke from Florida ...