French Federation of Speleology 10 years, named the "Bulletin of the CNS". Simultaneously, the SSF ceased publication of its periodical bulletin to provide its official information bulletin in the new "CNS". From 1952, cave training courses were organised in partnership with the Ministry of Youth Affairs and Sports. From 1953, Guy Lavaur organised cave diving activities. In conjunction with the Fédération nationale de sauvetage (National Rescue Federation), a certificate of first degree fitness was created in 1954. The first International Congress of Speleology was held in Paris from 7–12 September 1953 under the patronage of the Minister of National Education, as well as the
Future of space exploration that will serve as the premier observatory of the next decade. It will study the phases of the Universe, providing detailed information on the formation of solar systems and the evolution of space. The future possibilities for deep space exploration are currently held back by a set of technical, practical, astronomical, and human limitations, which define the future of manned and unmanned space exploration. As of 2017, the farthest any man-made probe has traveled is the current NASA mission Voyager 1, currently about 13 billion miles (21 billion km), or 19.5 light hours away from the Earth, while the nearest