SimilarityRank
orbiter 0.821 92095
space_station 0.802 35861
lander 0.774 74502
the_International_Space_Station 0.758 61329
orbit 0.752 8766
space_shuttle 0.743 81402
asteroid 0.717 19862
astronaut 0.707 16889
into_space 0.703 54334
satellite 0.702 4364
spaceship 0.699 40441
rover 0.678 31046
NASA 0.676 4997
comet 0.668 16244
Mars 0.664 6486
from_Earth 0.661 64243
the_solar_system 0.661 21341
thruster 0.660 87566
ground_station 0.659 86949
ISS 0.656 18099
payload 0.645 16321
Hubble 0.645 49607
Apollo_[number] 0.641 62486
the_moon 0.640 5760
propulsion_system 0.640 84880