| Similarity | Rank | |
|---|---|---|
| quasar | 0.570 | 61018 |
| dark_matter | 0.555 | 32284 |
| exoplanet | 0.536 | 88229 |
| the_Big_Bang | 0.536 | 46860 |
| NGC_[number] | 0.535 | 64522 |
| neutrino | 0.532 | 41916 |
| supernova | 0.528 | 47013 |
| dark_energy | 0.525 | 55834 |
| Higgs | 0.506 | 67350 |
| cosmic_ray | 0.504 | 60042 |
| galactic | 0.498 | 60709 |
| galaxy | 0.497 | 7128 |
| Hubble | 0.497 | 49607 |
| CME | 0.496 | 31634 |
| pulsar | 0.492 | 56249 |
| astrophysics | 0.491 | 46058 |
| cosmology | 0.486 | 24700 |
| nebula | 0.482 | 48385 |
| in_the_Universe | 0.482 | 97244 |
| the_solar_wind | 0.477 | 80824 |
| gamma_ray | 0.477 | 77142 |
| SNR | 0.475 | 95427 |
| spectroscopy | 0.475 | 29325 |
| the_LHC | 0.474 | 64297 |
| HST | 0.473 | 87879 |