| Similarity | Rank | |
|---|---|---|
| dark_matter | 0.859 | 32284 |
| neutrino | 0.702 | 41916 |
| our_universe | 0.695 | 66180 |
| black_hole | 0.692 | 19818 |
| supernova | 0.674 | 47013 |
| the_universe | 0.663 | 5701 |
| cosmic_ray | 0.656 | 60042 |
| quasar | 0.656 | 61018 |
| spacetime | 0.646 | 96462 |
| cosmology | 0.645 | 24700 |
| the_solar_wind | 0.639 | 80824 |
| string_theory | 0.636 | 85187 |
| of_the_universe | 0.634 | 17292 |
| galaxy | 0.628 | 7128 |
| a_black_hole | 0.626 | 67425 |
| in_the_universe | 0.625 | 16239 |
| gravitation | 0.623 | 91354 |
| exoplanet | 0.622 | 88229 |
| quantum_theory | 0.616 | 83208 |
| the_Big_Bang | 0.616 | 46860 |
| the_cosmos | 0.614 | 29976 |
| pulsar | 0.608 | 56249 |
| the_Universe | 0.608 | 30975 |
| astrophysics | 0.602 | 46058 |
| space-time | 0.602 | 56795 |