Across
- 2. the path that a body follows as it travels around another body in space
- 3. the imaginary line about which a celestial body rotates
- 7. the beginning of a new moon cycle
- 8. when earth is in between the sun and the moon
- 9. spinning motion of a planet on its axis
Down
- 1. when the moon is in between the sun and the earth
- 4. the medium-sized star at the center of our solar system
- 5. the time it takes a planet to make one orbit around the Sun
- 6. a natural satellite that revolves around a planet