1. Which is the largest planet in our solar system?
   Jupiter.
2. Who was the first Russian into space?
   Yuri Gagarin.
3. Which is the closest planet to the Sun?
   Mercury.
4. Which planet has visible rings around it?
   Saturn.
5. Which planet in our solar syste has the shortest orbit?
   Mercury.
6. What was the first creature to orbit the Earth?
   A Dog (Laika).
7. What does the acronym NASA stand for?
   National Aeronautics and Space Administration.
8. Which planet has the Giant Red Spot?
   Jupiter.
9. What is the name of Saturn's largest moon?
   Titan.
10. What was the name of Yuri Gargarin's space capsule?
    Vostock 1.
11. Who was the first man to set foot on the moon?
    Neil Armstrong.
12. Which is the second largest planet in our solar system?
    Saturn.
13. Which planet is known as "The Red Planet"?
    Mars.
14. Which planet is named after the Roman messager God?
    Mercury.
15. Which planet has a year that is shorter than its day?
    Venus.
16. Who was the first person to walk in space?
    Alexy Leonov.
17. Of which planet is Gannymeade a moon?
    Jupiter.
18. On which planet is the large volcano Olympus Mons?
    Mars.
19. Who was the first woman into space?
    Valentino Tereshkova.
20. In which year was the International Space Station first launched?
    1998.