SimilarityRank
the_International_Space_Station 0.809 61329
spacecraft 0.802 12247
spaceship 0.764 40441
space_shuttle 0.744 81402
orbiter 0.721 92095
astronaut 0.717 16889
ISS 0.685 18099
orbit 0.671 8766
into_space 0.671 54334
lander 0.667 74502
space_travel 0.647 62675
space_exploration 0.645 37186
on_the_moon 0.641 35559
NASA 0.637 4997
asteroid 0.634 19862
from_Earth 0.621 64243
Mars 0.606 6486
on_Mars 0.606 39049
SpaceX 0.600 64263
outer_space 0.599 45198
other_planet 0.598 72712
planet 0.596 3914
rover 0.595 31046
Apollo_[number] 0.594 62486
the_solar_system 0.587 21341