Across
- 2. different shapes of moon, as visible from the earth
- 5. blocking of the light of sun or moon by the shadow of another heavenly body
- 6. Earth's natural satellite and closest neighbor
- 7. an object through which light cannot pass
- 8. a small body revolving around a planet in space
Down
- 1. a scientific observer of the celestial bodies
- 3. region beyond the atmosphere
- 4. the periodic rising and falling of sea and ocean water