SimilarityRank
Astronauts 0.891 92629
astronaut 0.875 28630
cosmonauts 0.853 90195
spacecraft 0.802 16461
orbiter 0.788 76092
spaceflight 0.772 67313
Astronaut 0.767 63562
cosmonaut 0.762 97612
NASA 0.758 9327
NASA's 0.732 24421
Aldrin 0.731 84755
lander 0.729 64228
crewmembers 0.725 63778
orbiting 0.721 32947
spaceship 0.708 31046
pilots 0.707 9079
rovers 0.697 81638
interplanetary 0.695 60971
manned 0.691 21210
Soyuz 0.691 53223
spaceships 0.691 57887
crewmen 0.687 67631
orbit 0.683 11481
ISS 0.682 30619
flyby 0.680 80846