| Similarity | Rank | |
|---|---|---|
| spacecraft | 0.821 | 12247 |
| lander | 0.772 | 74502 |
| space_station | 0.721 | 35861 |
| space_shuttle | 0.707 | 81402 |
| rover | 0.678 | 31046 |
| the_International_Space_Station | 0.676 | 61329 |
| astronaut | 0.656 | 16889 |
| orbit | 0.655 | 8766 |
| satellite | 0.645 | 4364 |
| NASA | 0.643 | 4997 |
| ISS | 0.640 | 18099 |
| asteroid | 0.627 | 19862 |
| Mars | 0.623 | 6486 |
| spaceship | 0.619 | 40441 |
| payload | 0.618 | 16321 |
| Apollo_[number] | 0.618 | 62486 |
| comet | 0.612 | 16244 |
| ground_station | 0.605 | 86949 |
| into_space | 0.596 | 54334 |
| JPL | 0.596 | 94014 |
| Hubble | 0.595 | 49607 |
| Curiosity | 0.594 | 86989 |
| thruster | 0.583 | 87566 |
| a_comet | 0.583 | 83115 |
| SpaceX | 0.573 | 64263 |