Statistics for Astronomy True or False

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Question	Answer	% Correct
Humans have never detected a planet outside the solar system	False	92%
Scientists believe that the universe is about 13.8 billion years old	True	92%
It takes more than a year for light to travel between the Earth and the Sun	False	90%
The Earth's moon is the largest moon in the solar system	False	90%
Saturn is the largest planet in the solar system	False	90%
Unmanned spacecraft have landed on Mars	True	88%
Andromeda is the nearest major galaxy to the Milky Way	True	88%
It is generally believed that a supermassive black hole lies at the center of the Milky Way	True	86%
The same side of the moon always faces Earth	True	81%
The distance between the Milky Way and nearly every other galaxy is increasing	True	79%
Saturn is closer to the Sun than it is to Neptune	True	75%
One astronomical unit is equal to the diameter of the solar system	False	72%
Neptune has rings	True	69%
Mercury has the hottest surface temperature of any planet	False	68%
Pluto has no known moons	False	59%
Of all the planets in the solar system, Mars is the closest in size to Earth	False	55%
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%
The sun is one of the smallest stars in the galaxy	False	42%