Across
- 4. The first astronaut in space was?
- 7. What planet is less dense than water?
- 9. What is Jupiter's largest moon?
- 15. The largest asteroid in our solar system, a mammoth piece of space rock.
- 17. Which planet is 3.67 billion miles from the sun?
- 18. What is the name of the comet only seen on earth every 75 years?
- 19. Who was the first man on the moon?
Down
- 1. A gas planet half the size of Jupiter and Saturn.
- 2. What is the fastest planet in our solar system?
- 3. One day on this planet is longer than it's entire year.
- 5. What is the name of the spacecraft orbiting the Jupiter right now?
- 6. What was the first animal in space?
- 8. Which galaxy is closest to our galaxy?
- 10. What galaxy contains the only known life in the universe.
- 11. What is the name of the north star?
- 12. What planet has 79 moons?
- 13. What is the name of the constellation of Neptune's son, the hunter?
- 14. This planet has the fastest winds in our solar system, reaching up to 1,600 mph.
- 16. What planet has a 24 1/2 hour day known as a sol?
- 20. Saturn was named after the Roman Titan of?