| ENCELADUS | Discovered by William Herschel in 1789, the sixth-largest moon of Saturn (9) |
| EUROPA | Moon of Jupiter discovered by Galileo in 1610, the sixth-largest moon in the Solar System (6) |
| DAHL | Anders (or Andreas) (1751-1789), the Swedish botanist after whom one of our most popular tuberous plants is named (4) |
| OBERON | Discovered by William Herschel in 1787, moon of Uranus named after the king of the fairies in A Midsummer Night's Dream (6) |
| TITANIA | Uranus' largest moon and 8th largest in the solar system, discovered by William Herschel in 1787 (7) |
| URANUS | Which planet was discovered by William Herschel in 1781 and named after the Greek god, the son and h |
| MIMAS | Moon of Saturn discovered in 1789 by William Herschel using his 40-foot reflector telescope (5) |
| AUSTRALIA | The world's sixth-largest country by total area |
| STUTTGART | Germany's sixth largest city, state capital of Baden-Wurttemberg (9) |
| HIMALIA | The largest irregular satellite of Jupiter and the sixth largest overall in size |
| INFRARED | What invisible rays with a heating effect were discovered by astronomer Sir William Herschel in 1800? (8) |
| 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 |
| 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) |
| GOBI | Mongolian desert that is the sixth-largest in the world |
| RHEA | Name of a flightless ostrich-like bird; the second-largest moon of Saturn; or, the mother of Zeus (4) |
| PHOEBE | Moon of Saturn discovered by William Pickering in 1899 (6) |
| UMBRIEL | One of the main satellites of Uranus, discovered by William Lassell in 1851 |
| IAPETUS | Third-largest moon of Saturn, discovered by Giovanni Domenico Cassini in 1671 (7) |
| ASTRONOMER | Observer of the stars' movements like Caroline Herschel in the nineteenth century or Al-Battani in the ninth |
