Kepler’s other achievements

As discussed in my previous post, Kepler's improvement of Copernicus's heliocentric system led to its more general acceptance, and his three laws describing the way planets move are fundamental laws of astronomy. However, this wasn't his only contribution to science. He was one of the greatest thinkers of the seventeenth century scientific revolution and in… Continue reading Kepler’s other achievements

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