In this post I'll talk about Nicolas Copernicus (1473 - 1543) and the heliocentric theory.  The move away from the prevailing Earth-centred theory of the Universe to the heliocentric theory represents one of the greatest advances in astronomy ever made. Nicolas Copernicus - Image from Wikimedia Commons Background - the need for a better theory… Continue reading Copernicus

Geocentric Cosmology

Today it is generally accepted as a scientific fact that the Earth is one of eight planets which revolve around the Sun, that the Sun is one of 400 billion or so stars in our Milky Way galaxy and that the Milky Way is one of hundreds of billions of galaxies in the observable Universe.… Continue reading Geocentric Cosmology