Timeline of astronomy Rectification of Planetary Theory", eliminated the need for an equant by introducing an extra epicycle, departing from the Ptolemaic system in a way very similar to what Copernicus later also did. Ibn al-Shatir proposed a system that was only approximately geocentric, rather than exactly so, having demonstrated trigonometrically that the Earth was not the exact center of the universe. His rectification is later used in the Copernican model. Nicolaus Copernicus publishes "De revolutionibus orbium coelestium" containing his theory that Earth travels around the Sun. However, he complicates his theory by retaining Plato's perfect circular orbits of the planets. A brilliant
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