| 100% | STYX | 4 | Moon of Pluto discovered in 2012 |
| 55% | UMBRIEL | 7 | Large moon of Uranus discovered in 1851 |
| 53% | PHOEBE | 6 | Moon of Saturn discovered by William Henry Pickering in 1899 |
| 50% | HUBBLE | 6 | Telescope used in discovering Pluto's fifth moon in 2012 |
| 49% | STYX | 4 | Moon of Pluto |
| 46% | BOSON | 5 | Higgs ___ (elementary particle discovered in 2012) |
| 46% | CHARON | 6 | Largest moon of Pluto |
| 45% | KORE | 4 | Moon also known as Jupiter XLIX discovered by a team from the University of Hawaii in 2003 |
| 43% | AGED | 4 | Discovered in voyage diary of old |
| 41% | OGRE | 4 | Monster discovered in bogs of fairy tales |
| 41% | IODINE | 6 | Element discovered in the ashes of seaweed |
| 40% | ENDOR | 5 | Moon in "Return of the Jedi" |
| 39% | BOURBON | 7 | Tick-borne virus discovered in the summer of 2014 |
| 39% | HST | 3 | Instrument that discovered Styx orbiting around Pluto in 2012 (abbr.) |
| 38% | MAGI | 4 | Language discovered in 2012 and spoken in Wanang village, Madang Province in Papua New Guinea |
| 38% | NEON | 4 | Gas discovered in 1898 that changed the appearance of western civilization |
| 38% | GALILEO | 7 | He discovered four of Jupiter's moons |
| 38% | ENDOR | 5 | Forested moon in "Return of the Jedi" |
| 38% | NEREID | 6 | Neptunian moon discovered in 1949 |
| 37% | IDES | 4 | Day of the full moon, in old Rome |
| 37% | WANING | 6 | The decreasing in size of the visible moon |
| 36% | THOR | 4 | One of the superheroes in 2012's "The Avengers" |
| 36% | EWOK | 4 | Furry creature native to the forest moon of Endor in "Return of the Jedi" |
| 35% | CALLISTO | 8 | Satellite of Jupiter discovered by Galileo in 1610 |
| 35% | FLIGHTBEHAVIOR | 14 | 2012 Barbara Kingsolver novel about a colony of butterflies in Tennessee: 2 wds. |
| 35% | NINE | 4 | Number of planets in our solar system, before Pluto's demotion |
| 35% | ECLIPSE | 7 | Shadow caused by the Moon passing in front of the Sun |
| 35% | EWOK | 4 | Furry creature from Endor's moon, in "Return of the Jedi" |
| 35% | PETRAEUS | 8 | General who's the subject of the 2012 biography "All In" |
| 34% | ETA | 3 | Type of meson discovered at the Bevatron in 1961 |