| Similarity | Rank | |
|---|---|---|
| supernova | 0.839 | 47013 |
| NGC_[number] | 0.788 | 64522 |
| pulsar | 0.776 | 56249 |
| nebula | 0.773 | 48385 |
| galaxy | 0.770 | 7128 |
| exoplanet | 0.752 | 88229 |
| the_Milky_Way | 0.733 | 65157 |
| dark_matter | 0.726 | 32284 |
| black_hole | 0.709 | 19818 |
| comet | 0.696 | 16244 |
| neutrino | 0.695 | 41916 |
| our_solar_system | 0.685 | 82880 |
| Hubble | 0.678 | 49607 |
| cosmic_ray | 0.674 | 60042 |
| dark_energy | 0.656 | 55834 |
| asteroid | 0.651 | 19862 |
| our_universe | 0.648 | 66180 |
| the_solar_wind | 0.643 | 80824 |
| the_solar_system | 0.637 | 21341 |
| Herschel | 0.636 | 88675 |
| gamma_ray | 0.635 | 77142 |
| photon | 0.633 | 18937 |
| sunspot | 0.632 | 64517 |
| young_star | 0.626 | 99709 |
| galactic | 0.626 | 60709 |