astronauts, soyuz, spacemen, spacecraft, gagarin, valentina tereshkova, taikonaut, zero gravity, orbit, yuri gagarin, tereshkova, orbiter, spacewalks, weightlessness, spacesuits, space shuttle, spacewoman, spaceflight, leonov, microgravity, extravehicular, skylab, spaceship, salyut, flight engineer, spaceward, circumlunar, cosmodrome, shuttle, astronautical, garriott, lunar module, space capsule, nikolayev, liftoff, gyroscopes, sputnik, dnepr, kazakhs, capsule, sakharov, airlock, toru, kazakstan, usos, muscovites, lunar, lander, experiments, huygens, geostationary, interplanetary, blastoff, outer space, telemetric, kazakhstani, wernher von braun, crewmen, aquanaut, johannes kepler, rovers, satellites, cospar, belarusian, launch vehicle, geosynchronous, von braun, retrorockets, payloads, lunar excursion module, neil armstrong, schirra, space station, bolshoi, taiga, aircrew, chkalov, russias, estonians, yeltsin, cheboksary, andrei tarkovsky, upper atmosphere, konstantin stanislavsky, preflight, heat shield, russian orthodox, kursk, ural mountains, tarkovsky, babushkas, space, spacefaring, selene, shcherbakov, meteoroid, rossiya, bulgarians, drogue parachute, retroreflector, mendeleev, azerbaijanis, pilots, aviators, correspondents, evacuees, volunteers, airmen, attackers, comrades, interrogators, academicians, analysts, combatants, contestants, deportees, escapees, firefighters, fliers, ncos, pows

astronaut, cosmonaut