Related Clues:

• 7th rock from the sun?
• Neptune's neighbor
• Seventh of nine, in space
• Father of the Titans
• Miranda circles it
• God of the sea
• Outer planet
• 1781 discovery
• Far-out planet
• William Herschel discovery of 1781
• Sea god
• Planet that always gets a few laughs
• Poseidon, to Romans
• Halifax Theatre
• An outer planet