| LYSITHEA | Moon of Jupiter discovered by US astronomer Seth Barnes Nicholson in 1938, later named after an Oceanid and lover of Zeus (8) |
| FRANZMESMER | German doctor who created the theory of animal magnetism, later named after him (5,6) |
| CARME | Small moon (with a radius of 14 miles) discovered in 1938 by Seth Barnes Nicholson and named for the mother of the Cretan deity Britomartis (5) |
| AMALTHEA | Moon of Jupiter, discovered by US astronomer Edward Emerson Barnard in 1892 (8) |
| ELARA | Eighth-largest moon of Jupiter, discovered by US astronomer Charles Dillon Perrine in 1905 (5) |
| EUROPA | Moon of Jupiter discovered by Galileo in 1610, the sixth-largest moon in the Solar System (6) |
| ADRASTEA | Smallest of the four inner moons of Jupiter, discovered by the space probe Voyager 2 in 1979 (8) |
| GANYMEDE | Largest moon of Jupiter, discovered by Galileo Galilei in 1610 (8) |
| DEIMOS | Smaller and outermost of the two moons of Mars, discovered by US astronomer Asaph Hall in 1877 (6) |
| PHOEBE | Largest irregular moon of Saturn, discovered by US astronomer William Henry Pickering in 1899 (6) |
| THEBE | Seventh-largest moon of Jupiter, discovered in images taken by the Voyager 1 space probe in 1979 (5) |
| CALLISTO | Satellite of Jupiter discovered by Galileo in 1610(8) |
| LEDA | Moon of Jupiter discovered in 1974 |
| EDMOND | Forename of the astronomer who used Newton's laws of motion to predict the return of the comet that was later named in his honour (6) |
| VISA | Debuting as Bank-Americard in California in 1959, what was it later named? (4) |
| PAULI | Physicist who postulated the existence of a tiny particle that was later named "neutrino" by Fermi (5) |
| ASPARTAME | Artificial sweetener, approximately 200 times sweeter than sugar, discovered by US chemist James M. Schlatter in 1965 (9) |
| NATURALGAS | US city routine adopted by US astronomer turning up fuel |
| JIMMYHOFFA | American union leader and criminal, played by Jack Nicholson in a 1992 film |
| TORRANCE | Jack, fictional writer played by U.S. actor Jack Nicholson in the 1980 horror film The Shining (8) |