| EUROPA | Moon of Jupiter discovered by Galileo in 1610, the sixth-largest moon in the Solar System (6) |
| ENCELADUS | Discovered by William Herschel in 1789, the sixth-largest moon of Saturn (9) |
| SATURN | Planet whose rings were discovered by Galileo in 1610 |
| TRITON | Largest moon in the solar system with a retrograde orbit |
| CALLISTO | Satellite of Jupiter discovered by Galileo in 1610(8) |
| DAYTON | The sixth largest city in Ohio and the county seat of Montgomery County |
| NANTES | City on the Loire which is the sixth-largest in France (6) |
| GANYMEDE | Largest moon of Jupiter, discovered by Galileo Galilei in 1610 (8) |
| APOLLO | Project ___, the US programme to put "a man on the moon" in the 1960s (6) |
| ASHDOD | The sixth-largest city in Israel (6) |
| GOMERA | The sixth largest Canary Island (6) |
| LEEVES | English actress who played physical therapist Daphne Moon in the 1993-2004 US sitcom Frasier (4,6) |
| TITAN | The largest moon of Saturn and the only moon in the solar system known to have clouds and a dense atmosphere. It is the only body other than Earth that is known to currently have liquid on its surface |
| AMALTHEA | Largest of the non-Galilean moons of Jupiter, discovered by Edward Emerson Barnard in 1892 (8) |
| ELARA | Eighth-largest of the 95 known moons of Jupiter, discovered by US astronomer Charles Dillon Perrine in 1905 (5) |
| ADRASTEA | Smallest of the four inner moons of Jupiter, discovered by the space probe Voyager 2 in 1979 (8) |
| ESKIMO | Warren Moon, in the early '80s |
| CALISTO | Discovered by Italian astronomer Galileo in 1610, this rocky moon is Jupiter's second-largest satellite (7) |
| LYSITHEA | Moon of Jupiter discovered by US astronomer Seth Barnes Nicholson in 1938, later named after an Oceanid and lover of Zeus (8) |
| THEBE | Seventh-largest moon of Jupiter, discovered in images taken by the Voyager 1 space probe in 1979 (5) |
