Across
- 6. opposite the sun in its orbit around Earth.
- 7. a small sliver on the right
- 8. It's the moon phase halfway between new moon and full moon.
Down
- 1. between a full moon and a half moon.
- 2. waning crescent,
- 3. when the lit-up part of the Moon
- 4. described as invisible
- 5. eight lunar phases