lander, spacecraft, martian, orbiter, sols, rock outcrop, huygens, lunar, cassini, orbit, moon, astronauts, retroreflector, jpl, asteroid, telescope, geosynchronous orbit, themis, lunar module, orbital velocity, odometry, perilune, lunar crater, heat shield, geosynchronous, phobos, thruster, gradiometer, planetary, regolith, spaceship, mossbauer, lunar excursion module, spacesuit, spectrometer, drogue parachute, comet, shuttle, flyby, airglow, synchronous orbit, payloads, retrorockets, space shuttle, planets, celestial sphere, spectrograph, meteoroid, interplanetary, telemeter, spaceward, selene, crater, blastoff, epsilon aurigae, lagrangian, cosmos, exosphere, prograde, robot, geostationary, astrometry, satellites, cosmic ray, magnetosphere, planetoid, liftoff, hexapod, solid rocket, dixi, radial velocity, extravehicular, ballistic trajectory, drogue chute, spacewalk, hubble, osiris, gyroscope, coronagraph, micrometeoroid, scarps, philae, echo sounder, soyuz, scoopful, capsule, seafloor, polar, extraterrestrial, launch vehicle, phyllosilicate, hypersonic, zodiacal light, circumlunar, planck, observatory, optical telescope, minisub, astronomer, photometer, outcrop, astronomical telescope, rovers, mercedes, robin, drake, lorry, bentley, bird, hare, horse, motorcar, motorcycle, truck, van, andrew, automobile, car, coupe, crow, ford, jeep, chromed, coupla, haganah, oldsmobile, palmach, ton, tram, wheeler, armoured, audi, axle, bahn, bedecked, bumpy, combat, commanding, commissary, connecting, cornish

bum, drifter, hobo, nomad, tramp, vagabond, vagrant

traveler, traveller

bird of passage, roamer, wanderer