| Hint | Answer | % Correct |
|---|---|---|
| Closest star to the Sun | Proxima Centauri | 64%
|
| "Matter" that holds the universe together | Dark matter | 57%
|
| Belt outside the Solar System containing comets and some planets | Kuiper belt | 53%
|
| Farthest man-made object | Voyager-1 | 52%
|
| Brighest star in the night sky | Sirius | 49%
|
| The largest moon of Saturn | Titan | 45%
|
| Gas that's most common in the atmosphere of Venus | Carbon dioxide | 44%
|
| The moon of Pluto | Charon | 39%
|
| A star (under the Chandrasekhar limit) sheds its outer layers to become this | White dwarf | 38%
|
| Crater where the Apollo 11 mission landed | Sea of Tranquility | 33%
|
| Unit of measurement equal to 3.26 light years | Parsec | 32%
|
| Red giant on Orion's shoulder | Betelgeuse | 31%
|
| The way the universe is most likely to die | Heat death | 31%
|
| The name of NASA's current mission to the moon | Artemis | 27%
|
| The cluster of galaxies that the Milky Way is part of | Local Supercluster | 26%
|
| Ancient radiation that comes from space, originated in the Big Bang | Cosmic rays | 20%
|
| Largest star that we know of | Stephenson 2-18 | 18%
|
| The most massive black hole is believed to be here | TON 618 | 16%
|
| The man who found the value of the gravitatonal constant G | Henry Cavendish | 3%
|
| The instrument that the above used to measure it | Torsion balance | 1%
|