Across
- 4. What is a luminous astronomical object?
- 6. What is a pattern of stars called?
- 7. what planet is known as the red planet?
- 8. What is earths twin?
- 10. What is the planet closest to the sun?
Down
- 1. How is time measured in space?
- 2. How are the planets held together?
- 3. What is the last planet?
- 5. What is the outside of the sun called?
- 6. What is the middle of the sun called?
- 9. What planet is known as the gas giant?