Across
- 3. the point where the moon is further from Earth in its orbit
- 6. the light reflected off the surface of a moon or planet
- 9. the number of waves passing a set point per unit time
- 11. meandering valley-like structure tracing across maria
- 12. a moon planet or machine that orbits a planet or star
- 13. light colored streaks radiating outward from an impact crater
- 14. loose gravel and rock materials covering the moons surface
Down
- 1. the light colored heavily cratered surface of the moon
- 2. an unmanned craft sent into space to do research
- 4. the distance between the trough of two waves
- 5. the point where the moon is closest to Earth in its orbit
- 7. material blown upward due to the high velocity impact of a smaller body
- 8. the darker colored smooth lowland plains on the moon
- 10. the circular path representing the path of a planet or moon around the celestial body it orbits