Across
- 2. have people ever set foot on mars?
- 5. Who is a person that travels to space to explore it?
- 8. What is the planet we live in?
- 9. What is the thing that keeps us hot and warm?
- 10. Which is the coldest planet?
Down
- 1. What is the smallest planet?
- 3. What is the biggest planet?
- 4. What comes out in the clear night sky
- 6. What is the second biggest planet?
- 7. What is the hottest planet?
- 11. is earth bigger than neptune?