| Similarity | Rank | |
|---|---|---|
| Herschel | 0.727 | 88675 |
| telescope | 0.701 | 9569 |
| Kepler | 0.696 | 46093 |
| comet | 0.679 | 16244 |
| exoplanet | 0.678 | 88229 |
| quasar | 0.678 | 61018 |
| nebula | 0.663 | 48385 |
| astronomer | 0.659 | 20224 |
| supernova | 0.653 | 47013 |
| spacecraft | 0.645 | 12247 |
| the_Milky_Way | 0.644 | 65157 |
| our_solar_system | 0.639 | 82880 |
| asteroid | 0.630 | 19862 |
| a_telescope | 0.626 | 53621 |
| from_Earth | 0.622 | 64243 |
| the_Solar_System | 0.621 | 94718 |
| the_solar_system | 0.621 | 21341 |
| galaxy | 0.616 | 7128 |
| NGC_[number] | 0.615 | 64522 |
| pulsar | 0.614 | 56249 |
| the_International_Space_Station | 0.608 | 61329 |
| Pluto | 0.604 | 18273 |
| orbit | 0.601 | 8766 |
| orbiter | 0.595 | 92095 |
| our_universe | 0.594 | 66180 |