| Question | Answer | % Correct |
|---|---|---|
| Humans have never detected a planet outside the solar system | False | 93%
|
| Andromeda is the nearest major galaxy to the Milky Way | True | 93%
|
| The Earth's moon is the largest moon in the solar system | False | 92%
|
| Saturn is the largest planet in the solar system | False | 92%
|
| Scientists believe that the universe is about 13.8 billion years old | True | 92%
|
| Unmanned spacecraft have landed on Mars | True | 91%
|
| It takes more than a year for light to travel between the Earth and the Sun | False | 90%
|
| It is generally believed that a supermassive black hole lies at the center of the Milky Way | True | 89%
|
| The distance between the Milky Way and nearly every other galaxy is increasing | True | 82%
|
| The same side of the moon always faces Earth | True | 80%
|
| Saturn is closer to the Sun than it is to Neptune | True | 77%
|
| Neptune has rings | True | 71%
|
| Mercury has the hottest surface temperature of any planet | False | 70%
|
| One astronomical unit is equal to the diameter of the solar system | False | 69%
|
| Pluto has no known moons | False | 59%
|
| Of all the planets in the solar system, Mars is the closest in size to Earth | False | 57%
|
| The sun is one of the smallest stars in the galaxy | False | 48%
|
| Two spaceships leave earth in opposite directions, each traveling 0.9 times the speed of light. These two spaceships would never be able to communicate with each other. | False | 46%
|