Ptolemy’s model and many earlier ideas of the Solar System had the Earth at the centre of it. As observations of the motions of the planets became more detailed, the descriptions of the Solar ...

(otherwise known as The Almagest), Ptolemy made observations about the planets that are surprising. Compared with modern astronomical tables, some are so accurate that, Newton claims, he simply ...

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 ...