astronaut, spacewalks, cosmonaut, spacesuit, flight engineer, orbiter, spacemen, space shuttle, spaceflight, liftoff, orbit, rotary joint, spacecraft, spacewoman, soyuz, micrometeoroid, taikonaut, shuttle, weightlessness, extravehicular, airlock, lunar module, crewmate, circumlunar, valentina tereshkova, skylab, heat shield, blastoff, aquanaut, jackscrew, retroreflector, yuri gagarin, gyroscope, lunar excursion module, selene, rover, spaceship, virts, space capsule, bursch, zero gravity, micrometeorites, tereshkova, crew, socket wrench, spaceward, rocketeer, aeronaut, gagarin, fossett, space station, meteoroid, lander, alan shepard, toru, balloonist, karabiner, maccheroni, thruster, geosynchronous, nosewheel, loadmaster, godspeed, bicycler, moonwalker, musher, worf, astronomer, repairperson, cosmosphere, stargazer, spectrograph, cosmic radiation, schirra, malfunction, horizontal stabilizer, skydiver, commander, outer space, drogue parachute, crewman, capsule, minisub, copilot, ripcord, scuba diver, nose cone, fosset, robot, collider, perilune, bathyscaph, protrusion, handrail, interplanetary, cotter pin, sand trap, cosmodrome, expedition, crane, biathlete, putty knife