SimilarityRank
space_station 0.809 35861
spacecraft 0.758 12247
space_shuttle 0.732 81402
NASA 0.713 4997
astronaut 0.709 16889
ISS 0.709 18099
orbiter 0.676 92095
space_exploration 0.649 37186
into_space 0.625 54334
lander 0.625 74502
Hubble 0.608 49607
SpaceX 0.604 64263
Apollo_[number] 0.600 62486
spaceship 0.600 40441
orbit 0.596 8766
on_the_moon 0.595 35559
JPL 0.594 94014
at_NASA 0.591 84980
space_travel 0.583 62675
Mars 0.576 6486
outer_space 0.575 45198
the_moon 0.574 5760
space_science 0.574 69787
from_Earth 0.570 64243
asteroid 0.569 19862