| Answer | Crossword Clue |
|---|---|
| GEOL | Rockhound's sci. (abbr.) |
| ECOL | Environmental sci. (abbr.) |
| UFO | Sci-fi vehicle: Abbr. |
| ETS | Sci-fi beings: Abbr. |
| ETS | Sci-fi creatures: Abbr. |
| UFOS | Sci-fi sightings: Abbr. |
| UFOS | Sci-fi vehicles: Abbr. |
| UFOS | Sci-fi saucers: Abbr. |
| ETS | Sci-fi characters: Abbr. |
