Orrery on display in Kassel at the Astronomisch-Physikalisches Kabinett and in Dresden at the Mathematisch-Physikalischer Salon. In "De revolutionibus orbium coelestium", published in Nuremberg in 1543, Nicolaus Copernicus challenged the Western teaching of a geocentric universe in which the Sun revolved daily around the Earth. He observed that some Greek philosophers had proposed a heliocentric universe. This simplified the apparent epicyclic motions of the planets, making it feasible to represent the planets' paths as simple circles. This could be modelled by the use of gears. Tycho Brahe's improved instruments made precise observations of the skies (1576–1601), and from these Johannes Kepler
Comical History of the States and Empires of the Moon Sun has run out of fuel it will consume the planets and restart the cycle. He uses New France as evidence for this theory, claiming that its only being discovered not long ago by European explorers was because the Sun had only recently sent it to Earth. The narrator tries again to construct a way of reaching the Moon, this time through a flying machine that he launches off a cliff's edge. Though the craft crashes, local soldiers attach rockets to it, hoping that it will fly to celebrate the feast day of St. John the Baptist. Dismayed at this