SimilarityRank
orbit 0.911 11481
orbits 0.887 29511
spacecraft 0.872 16461
asteroids 0.853 33535
planets 0.851 9219
orbiter 0.845 76092
comets 0.826 39333
galaxies 0.826 19979
asteroid 0.824 23057
interplanetary 0.817 60971
galactic 0.816 32353
exoplanets 0.811 89365
nebula 0.804 49393
quasars 0.800 93060
interstellar 0.798 31391
spaceship 0.798 31046
Phobos 0.798 91146
satellites 0.791 15579
Centauri 0.789 51108
flyby 0.789 80846
nebulae 0.786 81004
comet 0.786 23908
orbital 0.786 25633
light-years 0.785 61345
moons 0.784 23992