| Similarity | Rank | |
|---|---|---|
| a_telescope | 0.834 | 53621 |
| eyepiece | 0.713 | 72838 |
| Hubble | 0.701 | 49607 |
| astronomer | 0.698 | 20224 |
| observatory | 0.696 | 17937 |
| spectrometer | 0.663 | 46182 |
| astronomy | 0.658 | 10180 |
| binoculars | 0.634 | 36438 |
| Herschel | 0.622 | 88675 |
| optics | 0.619 | 69002 |
| Astronomy | 0.615 | 21432 |
| planetarium | 0.609 | 44481 |
| exoplanet | 0.589 | 88229 |
| the_Milky_Way | 0.587 | 65157 |
| optic | 0.586 | 16028 |
| reflector | 0.585 | 29146 |
| optical_system | 0.579 | 82100 |
| imager | 0.579 | 91060 |
| the_night_sky | 0.578 | 53259 |
| focal_length | 0.574 | 93835 |
| spacecraft | 0.574 | 12247 |
| microscope | 0.571 | 14147 |
| comet | 0.571 | 16244 |
| quasar | 0.569 | 61018 |
| Kepler | 0.566 | 46093 |