| Similarity | Rank | |
|---|---|---|
| telescope | 0.834 | 9569 |
| eyepiece | 0.708 | 72838 |
| binoculars | 0.673 | 36438 |
| Hubble | 0.626 | 49607 |
| astronomer | 0.624 | 20224 |
| a_microscope | 0.622 | 99238 |
| the_Milky_Way | 0.608 | 65157 |
| the_night_sky | 0.602 | 53259 |
| astronomy | 0.574 | 10180 |
| observatory | 0.574 | 17937 |
| a_digital_camera | 0.569 | 80150 |
| spectrometer | 0.565 | 46182 |
| Herschel | 0.560 | 88675 |
| comet | 0.560 | 16244 |
| optics | 0.559 | 69002 |
| the_moon | 0.559 | 5760 |
| focal_length | 0.557 | 93835 |
| reflector | 0.556 | 29146 |
| microscope | 0.551 | 14147 |
| optic | 0.539 | 16028 |
| nebula | 0.539 | 48385 |
| exoplanet | 0.538 | 88229 |
| a_video_camera | 0.537 | 97612 |
| viewfinder | 0.536 | 76458 |
| Astronomy | 0.535 | 21432 |