Across
- 1. What planet has no moons?
- 4. What was the first rocket to go to space?
- 6. The thing that takes up 99.86% of our universe
- 7. Name a dwarf planet
- 8. What is one thing found in a comet?
- 9. What happens when Earth comes between the Sun and the Moon?
Down
- 2. What planet's day length is 11 hours long?
- 3. What planet has the most moons?
- 5. What is the second coldest planet?