Check out these space trivia questions and learn lots you didn't know about space, the solar system, and the stars that surround us all. Space is a mysterious place but there are plenty of things we are sure about when it comes to that vast space that surrounds us here on earth. Challenge what you think you know with this fun space quiz. Perfect for teenagers and adults, this quiz will get you thinking about the fascinating topics of space and astronomy. Test your knowledge of planets, stars, moons, astronauts, our solar system, galaxy and more space related trivia.