| Similarity | Rank | |
|---|---|---|
| spacecraft | 0.947 | 16461 |
| lander | 0.910 | 64228 |
| Orbiter | 0.870 | 76431 |
| orbit | 0.858 | 11481 |
| flyby | 0.850 | 80846 |
| orbiting | 0.845 | 32947 |
| liftoff | 0.807 | 97090 |
| Soyuz | 0.807 | 53223 |
| NASA's | 0.798 | 24421 |
| rover | 0.791 | 36853 |
| Spacecraft | 0.790 | 76108 |
| astronauts | 0.788 | 24220 |
| asteroid | 0.778 | 23057 |
| Phobos | 0.773 | 91146 |
| orbital | 0.760 | 25633 |
| NASA | 0.753 | 9327 |
| spaceship | 0.750 | 31046 |
| ISS | 0.748 | 30619 |
| satellites | 0.744 | 15579 |
| orbits | 0.736 | 29511 |
| lunar | 0.735 | 16529 |
| plane's | 0.734 | 61873 |
| ground-based | 0.734 | 65588 |
| Hubble | 0.732 | 35333 |
| moon's | 0.731 | 59912 |