| 4 clues |
|---|
| Astronomer's quest |
| Object of astronomers' search |
| Focus of an interplanetary search |
| What some probes are searching for |
| Encounterintelligence |
| Fbiintelligence |
| Intelligence |
| Intelligencemen |
| Intelligencequotient |
| Intelligent |
| Intelligentgent |
| Intelligentlife |
| Intelligentsia |
| Intelligible |
| Unintelligent |