| Similarity | Rank | |
|---|---|---|
| solar_activity | 0.712 | 98984 |
| comet | 0.655 | 16244 |
| the_solar_wind | 0.640 | 80824 |
| nebula | 0.634 | 48385 |
| quasar | 0.632 | 61018 |
| cosmic_ray | 0.624 | 60042 |
| supernova | 0.607 | 47013 |
| meteor | 0.600 | 36079 |
| the_sun | 0.598 | 2677 |
| the_Milky_Way | 0.596 | 65157 |
| exoplanet | 0.589 | 88229 |
| our_solar_system | 0.587 | 82880 |
| pulsar | 0.584 | 56249 |
| solar_radiation | 0.579 | 50199 |
| the_solar_system | 0.577 | 21341 |
| dark_spot | 0.576 | 78609 |
| magnetic_field | 0.575 | 15604 |
| moon | 0.572 | 11556 |
| NGC_[number] | 0.570 | 64522 |
| Hubble | 0.565 | 49607 |
| a_comet | 0.561 | 83115 |
| from_the_sun | 0.557 | 31410 |
| Uranus | 0.554 | 36509 |
| ultraviolet_light | 0.553 | 95049 |
| aurora | 0.549 | 59207 |