SimilarityRank
rovers 0.864 81638
lander 0.845 64228
orbiter 0.791 76092
spacecraft 0.776 16461
Curiosity 0.745 34315
Orbiter 0.730 76431
unmanned 0.721 26624
Rover 0.712 17613
NASA's 0.705 24421
orbiting 0.687 32947
spaceship 0.687 31046
flyby 0.685 80846
orbit 0.684 11481
telescope 0.682 15729
Mars 0.680 7385
asteroid 0.673 23057
NASA 0.672 9327
lunar 0.672 16529
Telescope 0.669 33291
copter 0.660 89882
SpaceX 0.658 73268
Phobos 0.658 91146
recon 0.656 58526
rocket 0.655 9057
Spacecraft 0.655 76108