proxima centauri, spiral galaxy, andromeda galaxy, milky way galaxy, geosynchronous orbit, epsilon aurigae, radial velocity, synchronous orbit, neutron star, oort cloud, orbital velocity, large magellanic cloud, undocked, outer space, space shuttle, eclipsing binary, alpha centauri, gravitational interaction, geostationary orbit, asteroid belt, prograde, omega centauri, cosmic dust, cosmic ray, planetary nebula, occulted, lunar excursion module, cosmic rays, celestial sphere, subatomic particle, taikonaut, cosmonaut, zodiacal light, gamma rays, optical telescope, celestial equator, hubble constant, valentina tereshkova, particle beam, drogue parachute, astronomical telescope, space capsule, spacefaring, tarantula nebula, camelopardalis, small magellanic cloud, atom smasher, retrogrades, horsehead nebula, deep space, johannes kepler, circularize, canis major, gravitational attraction, lunar module, tycho brahe, interstellar medium, syrtis major, ballistic trajectory, ionise, particle accelerator, undock, sundog, launch vehicle, canes venatici, interstellar space, booster rocket, annular eclipse, canis minor, rotary joint, earthling, magnetic monopole, celestial mechanics, strange quark, lunar crater, magnetic flux, zero gravity, coma berenices, yuri gagarin, ionize, angular momentum, magnetised, meteor shower, little dipper, interplanetary dust, electron volt, jodrell bank, beta centauri, ursa minor, cepheid variable, hydrogen atom, antarctic continent, harlow shapley, cosmic radiation, ionised, gamma ray, cosmic microwave background, corona australis, gimbaled, refracting telescope, meteorological satellite, radioactive decay, orbit, satellite, satellites, spacecraft, corona, exploration, institutionalisation, spaceships, accumulators, adopters, aggression, ai, appeasement, aurora, aviation, ballet, berg, boer, breeding, cadets, manned, unmanned, geostationary, robotic, interplanetary, observing, astronomical, earthbound, maneuverable, meteorological, moored, spaceborne, astronomic, finding, groundbased, instrumented, oceanographic, powered, recon, tethered

bohr theory, magellanic cloud, magnetic dipole moment, oort cloud, orbital plane, satellite, satellite television, satellite tv