| Rating | Solver | Clue |
|---|---|---|
| PLANETARIUM | Observatory | |
| ASTRONOMER | Observatory boffin | |
| ASTRONOMERS | Observatory boffins | |
| OBSERVATORIES | Of Observatory | |
| LOOKOUT | Beware of observatory! | |
| MOB | Crowd into museum observatory | |
| PARKES | Where is the radio astronomy observatory known as “The Dish” located? | |