| Similarity | Rank | |
|---|---|---|
| at_NASA | 0.804 | 84980 |
| JPL | 0.778 | 94014 |
| the_International_Space_Station | 0.713 | 61329 |
| space_shuttle | 0.697 | 81402 |
| SpaceX | 0.683 | 64263 |
| spacecraft | 0.676 | 12247 |
| NOAA | 0.671 | 15714 |
| astronaut | 0.656 | 16889 |
| space_exploration | 0.656 | 37186 |
| DARPA | 0.653 | 50776 |
| the_National_Science_Foundation | 0.647 | 29763 |
| orbiter | 0.643 | 92095 |
| space_station | 0.637 | 35861 |
| Apollo_[number] | 0.630 | 62486 |
| Isro | 0.625 | 97306 |
| Lockheed_Martin | 0.620 | 32194 |
| space_science | 0.620 | 69787 |
| NSF | 0.617 | 15658 |
| ISS | 0.615 | 18099 |
| Mars | 0.600 | 6486 |
| Lockheed | 0.591 | 77917 |
| Hubble | 0.584 | 49607 |
| Northrop_Grumman | 0.584 | 74439 |
| the_U.S._Air_Force | 0.578 | 56729 |
| USAF | 0.571 | 43680 |