SimilarityRank
Orbiter 0.846 76431
spacecraft 0.834 16461
Propulsion 0.802 55488
Space 0.799 4706
NASA's 0.795 24421
orbiter 0.790 76092
Soyuz 0.789 53223
ISS 0.775 30619
Astronauts 0.775 92629
Interstellar 0.770 83457
Asteroid 0.767 75474
Spaceship 0.764 93941
Astronaut 0.758 63562
Orbital 0.752 59521
Telescope 0.749 33291
JPL 0.748 58179
Planetary 0.746 38629
Shuttle 0.739 24261
Phobos 0.739 91146
Reconnaissance 0.738 60060
lander 0.735 64228
NASA 0.734 9327
orbiting 0.730 32947
Planets 0.728 47189
Unmanned 0.725 69079