geosynchronous earth observation system
71Timeline of first orbital launches by country —   Confirmed orbital launch …
72Deep space exploration — This high resolution image of the Hubble Ultra Deep Field includes galaxies of various ages, sizes, shapes, and colors. The smallest, reddest galaxies, are some of the most distant galaxies to have been imaged by an optical telescope Deep space… …
73Orbital spaceflight — Discovery rockets to orbital velocity, seen here just after booster separation An orbital spaceflight (or orbital flight) is a spaceflight in which a spacecraft is placed on a trajectory where it could remain in space for at least one orbit. To… …
74List of Apollo astronauts — Eugene Cernan operating the Lunar rover during Apollo 17 Forty one astronauts were assigned to fly Apollo spacecraft; thirty two of them were part of the Apollo program, with the rest not flying until the subsequent Skylab and Apollo Soyuz… …
75Spacebus — Infobox Spacecraft Name = Spacebus Caption = Spacebus 4000C3 (AMC 12) Organization = Thales Alenia Space Major Contractors = Mission Type = A platform for Communication satellite in geostationary orbit62 orders, 47 launched Launch = Since 1985… …
76Long March (rocket family) — A Long March rocket (simplified Chinese: 长征系列运载火箭; traditional Chinese: 長征系列運載火箭; pinyin: Chángzhēng xìliè yùnzài huǒjiàn) or Chang Zheng rocket as in Chinese pinyin is any rocket in a family of expendable launch systems operated by the People s… …
77Centennial Challenges — The Centennial Challenges are NASA space competition prize contests for non government funded technological achievements by American teams. Contents 1 Current Challenges 1.1 Tether beam power challenge 1.1.1 …
78List of NRO Launches — This is a list of NRO Launch (NROL) designations, used to identify classified satellites operated by the United States National Reconnaissance Office. This list is incomplete; you can help by expanding it. Launch Designation Launch Name Satellite …
79Syncom — 1 Maquette de Syncom 1 Syncom (synchron et commu …
80Department of Space — The Department of Space (DoS) is an Indian government department responsible for administration of the Indian space program. The Indian Space Research Organization (ISRO) is the primary research and development arm of the DoS. The other agencies… …
