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 ...

Claudius Ptolemy was the first person to come ... However, our Moon didn’t quite fit his model. Ptolemy suggested that its orbital path must be tilted with respect to the other heavenly bodies ...

Now researchers have managed to recover the text written by Ptolemy on a parchment that suffered such a previous recovery attempt. Outermost six rings of the meteoroscope, not to scale.