| Similarity | Rank | |
|---|---|---|
| observatory | 0.844 | 34631 |
| Astronomical | 0.804 | 51898 |
| observatories | 0.790 | 72987 |
| Telescope | 0.780 | 33291 |
| Astronomy | 0.754 | 30907 |
| Planetarium | 0.748 | 55423 |
| Astrophysics | 0.735 | 75101 |
| Astronomers | 0.707 | 61630 |
| astronomer | 0.698 | 35810 |
| Oceanographic | 0.697 | 84094 |
| Laboratory | 0.683 | 10913 |
| NASA's | 0.681 | 24421 |
| Orbiter | 0.680 | 76431 |
| Geological | 0.679 | 30845 |
| telescope | 0.678 | 15729 |
| telescopes | 0.677 | 27127 |
| Hubble | 0.671 | 35333 |
| astronomers | 0.668 | 24742 |
| Atmospheric | 0.664 | 35555 |
| Keck | 0.664 | 65283 |
| Observation | 0.662 | 32857 |
| Oceanography | 0.660 | 73802 |
| Meteorological | 0.659 | 56968 |
| Geophysical | 0.652 | 69216 |
| planetarium | 0.652 | 56929 |