| Similarity | Rank | |
|---|---|---|
| comet | 0.859 | 23908 |
| comets | 0.796 | 39333 |
| flyby | 0.765 | 80846 |
| meteors | 0.753 | 55518 |
| supernova | 0.744 | 46579 |
| Nibiru | 0.743 | 86616 |
| Saturn's | 0.738 | 60708 |
| Hubble | 0.731 | 35333 |
| Comet | 0.730 | 30602 |
| asteroid | 0.719 | 23057 |
| nebula | 0.718 | 49393 |
| Cassini | 0.713 | 49105 |
| Jupiter's | 0.711 | 61517 |
| exoplanets | 0.710 | 89365 |
| Asteroid | 0.706 | 75474 |
| orbiting | 0.705 | 32947 |
| galaxies | 0.704 | 19979 |
| moon's | 0.700 | 59912 |
| Astronomers | 0.696 | 61630 |
| meteor | 0.696 | 29787 |
| asteroids | 0.695 | 33535 |
| quasars | 0.682 | 93060 |
| nebulae | 0.682 | 81004 |
| orbit | 0.675 | 11481 |
| spacecraft | 0.672 | 16461 |