Across
- 4. Once was the 9th planet of the solar system
- 5. Unit of distance used in space
- 6. Cosmic snowballs of frozen gases, rock, and dust that orbit the Sun
- 8. The nearest star known to us
Down
- 1. The only planet with no Roman Title
- 2. God of Sky
- 3. region of spacetime where gravity is so strong that nothing can escape
- 7. The earths only natural satellite