| Similarity | Rank | |
|---|---|---|
| astronomy | 0.800 | 10180 |
| Physics | 0.763 | 7907 |
| astrophysics | 0.738 | 46058 |
| Department_of_Physics | 0.705 | 42790 |
| in_Physics | 0.679 | 40413 |
| Chemistry | 0.664 | 8666 |
| Mathematics | 0.653 | 6675 |
| space_science | 0.639 | 69787 |
| Earth_Sciences | 0.637 | 64531 |
| Geophysics | 0.629 | 83334 |
| astronomer | 0.623 | 20224 |
| Optics | 0.622 | 55579 |
| telescope | 0.615 | 9569 |
| Earth_Science | 0.614 | 63155 |
| Applied_Mathematics | 0.612 | 59863 |
| Materials_Science | 0.606 | 90262 |
| physics | 0.605 | 9484 |
| Natural_Sciences | 0.605 | 54720 |
| Geology | 0.600 | 30848 |
| physic | 0.600 | 4829 |
| Science_Education | 0.595 | 58365 |
| exoplanet | 0.593 | 88229 |
| Hubble | 0.591 | 49607 |
| Mathematical | 0.591 | 91170 |
| cosmology | 0.588 | 24700 |