and we use a similar system today. In Ptolemy’s great 13 volume work, The Syntaxis, (otherwise known as The Almagest), Ptolemy made observations about the planets that are surprising.

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 Earth at the centre of it. As observations of the ...

New research has revealed that the cosmological model developed by Nicolaus Copernicus, the renowned European Renaissance ...

Did Copernicus borrow his cosmological theory from an earlier Muslim scientist? New research finds striking resemblance between Copernicus’s heliocentric treatise and a Muslim scientist’s cosmological ...