apolune, aposelene

drogue parachute, spacecraft, orbital velocity, retrorockets, perihelion, orbit, geosynchronous orbit, orbiter, aphelion, ballistic trajectory, geosynchronous, drogue chute, geostationary orbit, perigee, lander, toru, odometry, spaceward, umbral, heliopause, circumlunar, airglow, lagrangian, gradiometer, rover, meteoroid, ramjet engine, thruster, nmi, huygens, dixi, cbers, geostationary, osiris, prograde, inertial guidance, corot, smos, soyuz, synchronous orbit, flyby, space capsule, shuttle, exosphere, mesosphere, themis, sideslip, dropsonde, cosmodrome, hypervelocity, liftoff, launch vehicle, lunar, quadrupole, particle beam, sciamachy, decelerator, selene, sols, taikonaut, retroreflector, arcsecond, lunik, antineutrino, exobiology, galactic equator, cassini, radial velocity, ionosphere, asteroid, proxima centauri, meteorological satellite, photoemission, oscillations, photometer, hypersonic, celestial equator, libration, annularity, astrometry, multistage rocket, annular eclipse, antiproton, payload, mossbauer, celestial sphere, steeve, attosecond, heliosphere, gravitational interaction, heat shield, propulsion system, magnetopause, solid rocket, braking, jovian, radiometer, hylas, cosmic ray, solar radiation, extravehicular, blastoff

periapsis, point of periapsis

periselene