SimilarityRank
on_Mars 0.756 39049
the_moon 0.735 5760
the_Moon 0.715 9806
Mars 0.669 6486
into_space 0.655 54334
astronaut 0.641 16889
space_station 0.641 35861
Apollo_[number] 0.634 62486
asteroid 0.632 19862
moon 0.631 11556
spacecraft 0.628 12247
other_planet 0.624 72712
space_shuttle 0.616 81402
Martian 0.609 36404
from_Earth 0.609 64243
space_exploration 0.607 37186
space_travel 0.606 62675
spaceship 0.605 40441
lander 0.604 74502
a_comet 0.601 83115
lunar 0.600 49812
on_Earth 0.598 12170
the_International_Space_Station 0.595 61329
the_solar_system 0.591 21341
outer_space 0.576 45198