History of Astronomy Timeline By Moises.Vasquez Nov 30, 1054 Chinese Astronomers Observe Supernova in Taurus. Aug 24, 1259 An observatory was built for the famous Persian astronomer, Nasir al-Din al-Tusi. Apr 3, 1543 Copernicus publishes his heliocentric theory of the Universe. Dec 30, 1668 The first reflecting telescope was built by Newton. Nov 12, 1705 Halley correctly predicts the return of a comet (Halley's comet) in 1758 Dec 18, 1781 The discovery of Uranus by Herschel Mar 7, 1801 Piazzi discovers first asteroid, Ceres. Jun 5, 1878 The Great Red Spot on Jupiter becomes prominent. Aug 10, 1916 Albert Einstein introduces his Theory of Relativity. Nov 4, 1923 Hubble shows that galaxies exist outside the Milky Way. Sep 1, 1960 The founding of archeoastronomy Nov 5, 1969 Armstrong and Aldrin walk on the Moon for the first time. Feb 11, 1995 Galileo space probe reaches Jupiter Feb 27, 2002 Re-entry of the Spanish satellite Minisat 1 Dec 25, 2004 Release of the Huygens probe from the Cassini spacecraft orbiting Saturn Mar 2, 2022 Al mamon founds the Baghdad school of Astronomy. Al mamon founds the Baghdad school of Astronomy.