| Hint | Answer | % Correct |
|---|---|---|
| In 2006, Pluto was reclassified as this type of planet | {Dwarf} planet | 98%
|
| Planet whose orbit sometimes extends beyond the orbit of Pluto | Neptune | 88%
|
| Element named after Pluto | Plutonium | 88%
|
| Cartoon character who, somewhat confusingly, has a pet dog named Pluto | Mickey Mouse | 75%
|
| Space telescope that discovered Pluto's fourth and fifth moons | Hubble Space Telescope | 73%
|
| Pluto is the Roman god of the _______ | Underworld | 59%
|
| Area of the solar system in which Pluto is located | {Kuiper} belt | 58%
|
| Celestial body named for the goddess of discord whose discovery in 2005 led to the demotion of Pluto | Eris | 46%
|
| Group of people who rule in a "plutocracy" | The rich | 45%
|
| Pluto was discovered at Lowell Observatory in this U.S. state | Arizona | 42%
|
| Spacecraft which flew by Pluto in 2015 | New {Horizons} | 41%
|
| Pluto's largest moon which is almost half its size | Charon | 38%
|
| The Tombaugh Regio area of Pluto's surface looks like this human body part | Heart | 36%
|