Related Clues:
- ''Cassini'' destination
- Far-out planet
- William Herschel discovery of 1781
- Planet that always gets a few laughs
- God of agriculture
- An outer planet
- Galileo's planetary oval
- Seventh planet from the sun
- ''Voyager 1'' destination
- Next-to-last planet
- Planet visited by Voyagers
- Planet discovered in 1781
- Subject for Galileo
- First planet discovered using a telescope
- Astronomical discovery of 1781