zero gravity Definition

weightlessness, microgravity, astronaut, spaceship, outer space, spacecraft, suborbital, spaceflight, spacesuit, orbital, lunar module, extravehicular, space shuttle, spacewoman, interplanetary, space capsule, orbiter, taikonaut, flight simulator, teleportation, soyuz, simulator, geosynchronous orbit, midair, skylab, levitation, cosmos, space, hang glider, jet propulsion, cosmonauts, parabolas, spaceward, motion sickness, spacemen, valentina tereshkova, hypersonic, circumlunar, simulated, hypervelocity, antigravity, spacewalk, shuttle, cosmic radiation, robotic, earthbound, huygens, gravities, acrophobia, airship, lunar excursion module, thruster, astronautical, robot, capsule, thermos bottle, meteoroid, bungee, aquanaut, airlock, gyroscopic, vtol, spacefaring, spherical, blastoff, astral, earthward, lander, interstellar, decompression sickness, ornithopter, tinkertoy, paramecia, physics, orbital velocity, micrometeorite, alan shepard, micrometeoroid, microworld, experiments, whirlybird, flight engineer, sideslip, garriott, venusian, rocket propulsion, unmanned, airfoils, flight, ionosphere, physiological, liftoff, centrifugal force, kinesis, sailplane, leonov, jules verne, retrorockets, geosynchronous, unpowered,