Space exploration on 16 June 1963. China first launched a person into space 42 years after the launch of "Vostok 1", on 15 October 2003, with the flight of Yang Liwei aboard the "Shenzhou 5" (Divine Vessel 5) spacecraft. The first artificial object to reach another celestial body was Luna 2 in 1959. The first automatic landing on another celestial body was performed by Luna 9 in 1966. Luna 10 became the first artificial satellite of the Moon. The first crewed landing on another celestial body was performed by Apollo 11 on 20 July 1969. The first successful interplanetary flyby was the
Celestial spheres was a lasting remnant of physical celestial spheres in Kepler's cosmology. In Cicero's "Dream of Scipio," the elder Scipio Africanus describes an ascent through the celestial spheres, compared to which the Earth and the Roman Empire dwindle into insignificance. A commentary on the "Dream of Scipio" by the Roman writer Macrobius, which included a discussion of the various schools of thought on the order of the spheres, did much to spread the idea of the celestial spheres through the Early Middle Ages. Some late medieval figures noted that the celestial spheres' physical order was inverse to their order on the