Related by context. Frequent words. (Click for all words.) 57 Endeavour docked 56 Soviet cosmonaut Yuri Gagarin 55 cosmonaut Yuri Gagarin 54 shuttle Endeavor 54 Russian Soyuz TMA 53 Discovery undocked 53 On Orbit Status 53 Baikonur Kazakhstan 52 Orbiting Carbon Observatory 52 Atlantis undocked 52 Endeavour STS 52 Lunar Reconnaissance Orbiter LRO 52 Galileo spacecraft 52 LCROSS spacecraft 51 Messenger spacecraft 51 Shuttle Discovery 51 comet Shoemaker Levy 51 lunar crater 51 Gene Cernan 51 Virgin Galactic SpaceShipTwo 51 NASA Stardust spacecraft 51 lunar surface 51 JPL manages 50 LCROSS mission 50 asteroid Itokawa 50 Soyuz capsule carrying 50 Virgil Gus Grissom 50 Wally Schirra 50 Sensing Satellite LCROSS 50 aboard Atlantis 50 robotic rover 50 space shuttle 50 Centaur rocket 50 Space Shuttle Discovery 49 NASA Opportunity rover 49 SpaceX Falcon 9 49 Astronauts aboard 49 Mars Lander 49 rover Opportunity 49 By KBJR News 49 lunar landing 49 lunar orbiter 49 aboard Soyuz spacecraft 49 lunar module pilot 49 Taurus XL rocket 49 Deep Impact probe 49 unmanned spacecraft 49 Ricardo Makyn Staff Photographer 49 Hayabusa probe 49 Cassini Huygens 49 particle physics detector 48 lunar soil 48 Shuttle Endeavour 48 Mars Pathfinder 48 1c x 48 Tim Kopra 48 Ariane rocket 48 Tanegashima Space Center 48 Space Shuttle Endeavor 48 spacecraft orbiting 48 Edwin Buzz Aldrin 48 Japanese Kibo laboratory 48 station Skylab 48 Appointment expires 47 Skylab 47 Gerald Herbert Gerald Herbert 47 orbited Earth 47 Spacewalks 47 Charles Dharapak Charles Dharapak 47 Julie Payette 47 orbiting Saturn 47 rover Spirit 47 lunar module 47 orbiter 47 Opportunity rover 47 Roger Chaffee 47 Goheung 47 Apollo missions 47 CARTOSAT 47 spacecraft 47 Space Shuttle Launch 47 shuttle disintegrated 47 Commander Gennady Padalka 47 Space Shuttle Atlantis 47 Space shuttle Endeavour 47 Alexander Kaleri 47 NASAs 47 NASA Spacecraft 47 RQ# 47 particle physics experiment 47 astronaut Ilan Ramon 47 Resourcesat 2 47 Columbia disintegrated 47 New Horizons spacecraft 47 Pat Shingleton 47 Galaxy Evolution 47 Apollo astronauts 47 HiRISE camera 47 Ron Garan 47 Japanese astronaut Takao 47 International Space Station