Paradigm Shift

Nicolaus Copernicus (1473-1543) observing a lunar eclipse in Rome in 1500, coloured historical artwork. Copernicus was a Polish astronomer who began the revolution that overthrew more than 1000 years of astronomical thought. Since the time of Ptolemy in the second century AD, the Earth had been considered to be the immovable centre of the universe.… Continue reading Paradigm Shift