SimilarityRank
Mars 0.644 6486
on_Mars 0.612 39049
rover 0.603 31046
lander 0.599 74502
orbiter 0.594 92095
the_Moon 0.568 9806
spacecraft 0.560 12247
curiosity 0.556 7132
Apollo_[number] 0.544 62486
Pluto 0.544 18273
the_International_Space_Station 0.543 61329
comet 0.538 16244
Martian 0.530 36404
Hubble 0.524 49607
Rosetta 0.519 56006
astronaut 0.518 16889
Venus 0.517 10227
NASA 0.517 4997
Rover 0.511 57640
Opportunity 0.511 17528
asteroid 0.505 19862
Endeavour 0.503 76751
JPL 0.499 94014
Earth 0.498 3650
a_comet 0.496 83115