| Similarity | Rank | |
|---|---|---|
| Hubble | 0.521 | 49607 |
| telescope | 0.512 | 9569 |
| Spitzer | 0.485 | 64285 |
| CMB | 0.473 | 88898 |
| Herschel | 0.468 | 88675 |
| quasar | 0.468 | 61018 |
| Astronomy | 0.465 | 21432 |
| GMT | 0.463 | 58210 |
| the_Milky_Way | 0.451 | 65157 |
| AMS | 0.447 | 29569 |
| pulsar | 0.446 | 56249 |
| comet | 0.444 | 16244 |
| supernova | 0.442 | 47013 |
| LMC | 0.442 | 78944 |
| Orion | 0.441 | 22409 |
| Voyager | 0.440 | 44126 |
| astronomer | 0.440 | 20224 |
| CME | 0.440 | 31634 |
| NGC_[number] | 0.439 | 64522 |
| ISS | 0.428 | 18099 |
| exoplanet | 0.428 | 88229 |
| Kepler | 0.426 | 46093 |
| spacecraft | 0.425 | 12247 |
| Chandra | 0.425 | 42976 |
| astronomy | 0.424 | 10180 |