| Question | Answer | % Correct |
|---|---|---|
| What is the largest planet in the Solar System? | Jupiter | 95%
|
| Which planet is closest to the sun? | Mercury | 93%
|
| Which of these is a picture of Jupiter? | ![]() | 89%
|
| What is the smallest planet in the Solar System? | Mercury | 88%
|
| On which planet would you find the "Great Red Spot"? | Jupiter | 81%
|
| Which planet is furthest from the sun? | Neptune | 75%
|
| What is the hottest planet by average surface temperature? | Venus | 72%
|
| Which of these planets is visible from Earth with the naked eye? | All of the above | 71%
|
| Which planet has exactly two moons? | Mars | 64%
|
| Which planet is known as "Lucifer" or "The Morning Star"? | Venus | 55%
|
| Which planet is closest in size to Earth? | Venus | 53%
|
| Which planet has the most volcanoes, active or dormant? | Venus | 49%
|
| Which planet appears to move most quickly across the sky, when observed from Earth? | Mercury | 47%
|
| Which planet was discovered by William Herschel in 1781? | Uranus | 46%
|
| Which planet is closest to Earth? | Different planets at different times | 24%
|