| Similarity | Rank | |
|---|---|---|
| astronomers | 0.919 | 24742 |
| Physicists | 0.820 | 87030 |
| Telescope | 0.794 | 33291 |
| Hubble | 0.772 | 35333 |
| Astronomical | 0.771 | 51898 |
| Scientists | 0.766 | 12037 |
| Astronomy | 0.766 | 30907 |
| telescopes | 0.753 | 27127 |
| comets | 0.750 | 39333 |
| quasars | 0.745 | 93060 |
| galaxies | 0.743 | 19979 |
| astronomer | 0.739 | 35810 |
| exoplanets | 0.739 | 89365 |
| physicists | 0.733 | 28090 |
| Astrophysics | 0.732 | 75101 |
| Geologists | 0.731 | 95955 |
| observatories | 0.724 | 72987 |
| nebulae | 0.724 | 81004 |
| Observatory | 0.707 | 22231 |
| asteroids | 0.703 | 33535 |
| supernovae | 0.702 | 82066 |
| telescope | 0.696 | 15729 |
| ISON | 0.696 | 79144 |
| neutrinos | 0.696 | 66418 |
| comet | 0.694 | 23908 |