An Egyptian astronomer called Ptolemy (AD100-168) described one of the earliest ideas for how the Solar System is structured. Ptolemy’s model and many earlier ideas of the Solar System had the ...

That Ptolemy was an arm-chair geographer no one denies, but in geography, at least, it should be remembered that the looker-on often sees most of the game. Basing his system on that of his ...

A basic understanding of the solar system is something we take for granted today, but Western science had things wrong for some 1,500 years. Blame the Moon, and blame a man named Claudius Ptolemy.