Across
- 3. moon is fully lit
- 4. The time required for earth to rotate once on its axis
- 5. moon is not lit
- 7. when less than a semicircle is lit
Down
- 1. when more than a semicircle is lit
- 2. The spin of a body on its axis
- 6. An event in which the shadow of one celestial body falls on another
