intergalactic, interplanetary, galactic, cosmic, interstellar space, planetary, outer space, interdimensional, wormhole, interstellar medium, astral, asteroid, extraterrestrial, jovian, nebular, oort cloud, saturnian, alien, gravitational, gravitational interaction, antigravity, cosmological, cometary, celestial, orbiting, alpha centauri, subatomic, extragalactic, astrophysical, gamma rays, earthbound, superdense, cosmic rays, venusian, asteroid belt, subatomic particle, baryon, angular momentum, circumstellar, particle beam, gluon, plutonian, phonon, antiproton, electroweak, radial velocity, neutron star, cosmic radiation, nucleon, epsilon aurigae, exoplanet, radiative, cosmic ray, antimatter, proxima centauri, hadron, orbital velocity, positron, electron, eclipsing binary, gaseous, gravitational attraction, alpha particle, radioactive decay, relativity theory, einsteinian, dynamical, hubble constant, photon, muon, planetesimal, electromagnetic, andromeda galaxy, celestial sphere, tycho brahe, celestial mechanics, uranian, exciton, synchronous orbit, parsec, planetary nebula, proton, atmospheric, quasar, cosmic microwave background, polar, malefic, magnetic monopole, antarctic, lightspeed, quantum mechanics, oceanic, relativistic, dipolar, milky way galaxy, trifid, supersolid, interplanetary dust, heisenberg uncertainty principle, strange quark, primordial, hypersonic, chromospheric, photospheric, transoceanic, ionized, paramagnetic, transatlantic, interisland, unpolarized, excitonic, isotropic, stratospheric, ambient

cosmic dust, heliopause, interstellar medium, nebula, spaceship, starship