| 100% | SATURN | 6 | Planet whose rings were discovered by Galileo in 1610 |
| 62% | JUPITER | 7 | Planet whose rings were discovered in 1979 |
| 52% | CALLISTO | 8 | Satellite of Jupiter discovered by Galileo in 1610 |
| 37% | TUT | 3 | King whose tomb was discovered by Howard Carter |
| 37% | DNA | 3 | Molecule whose structure was discovered by Rosalind Franklin |
| 36% | TUT | 3 | King whose tomb was discovered in 1922 |
| 35% | TUT | 3 | King whose tomb was discovered in 1922, informally |
| 35% | TUT | 3 | King whose tomb was discovered in 1922, for short |
| 34% | KINGTUT | 7 | Egyptian pharaoh whose tomb was discovered in 1922 |
| 34% | TUT | 3 | Egyptian king whose tomb was discovered in 1922 |
| 34% | TREE | 4 | One whose age is determined by its rings |
| 33% | YAVIN | 5 | Planet whose fourth moon is the site of the main rebel base in Star Wars, 1977 |
| 33% | TUT | 3 | "Boy king" whose tomb was discovered in 1922, familiarly |
| 33% | RHEA | 4 | Third satellite of Saturn to be discovered, this one by Giovanni Domenico Cassini in 1672 |
| 32% | NEONTREES | 9 | Band whose name was inspired by In-N-Out Burger signage |
| 32% | TUT | 3 | King ___ (pharaoh whose tomb was discovered in 1922) |
| 32% | TOMBRAIDER | 10 | Game whose heroine was played by Angelina Jolie in a 2001 film |
| 32% | CIRCE | 5 | Sorceress whose magic is circumvented by the herb moly, in the Odyssey |
| 31% | ETNA | 4 | Mountain whose volcanic eruption was first recorded by Diodorus Siculus in 425 BC |
| 31% | WONONPOINTS | 11 | Was victorious in the ring, but not by a knockout |
| 31% | PLUTO | 5 | Disney character who may have been named in 1931 for a newly discovered planet |
| 31% | AMBULANCE | 9 | Vehicle whose sound is imitated by the first three Across entries in this puzzle |
| 31% | UGGBOOTS | 8 | Footwear whose prototypes were first worn by Australian surfers in the 1960s |
| 31% | KURTANGLE | 9 | American retired professional wrestler whose ring name is "The Conquistador" who began his wrestling career in 1998: 2 wds. |
| 31% | CHIRON | 6 | 2060 —, minor planet discovered in 1977 whose orbit lies between those of Saturn and Uranus |
| 30% | BOOK | 4 | "The Ring and the ___," narrative poem written by Robert Browning that is set in Rome |
| 30% | EVIAN | 5 | Water brand whose natural spring was discovered by a French nobleman |
| 30% | GRAVITY | 7 | Said to have been discovered by Newton |
| 30% | TREE | 4 | One whose rings are used for dating |
| 30% | EURO | 4 | Currency whose name was suggested by Germain Pirlot and officially adopted in Madrid in December 1995 |