Across
- 3. The moon's surface has these due to its lack of atmosphere
- 5. The only star in our solar system
- 6. Name for the moon phases that are increasing illumination
- 7. Name of the moon phase when the whole moon is visible
- 10. Furthest planet from the sun in our solar system
- 12. Closest planet to the sun
Down
- 1. Describes how flat an orbit is
- 2. Name for planets with rocky surfaces
- 4. Name for the moon phases that are decreasing illumination
- 8. Formed after an early planet Theia collided with Earth
- 9. Planet with the hottest surface temperature
- 11. How long it takes a planet to revolve around the sun