Across
- 4. The border between light and dark on the Moon.
- 5. the star that is the main source of light at the center of our solar system
- 7. The nearly circular path a smaller object travels around a larger object.
- 8. To circle around something.
- 9. The shape of the illuminated part of the Moon as it appears from Earth.
Down
- 1. to shine light on an object and make it visible
- 2. Move or cause to move in a circle around an axis.
- 3. When the Moon is completely (100%) dark.
- 6. a rocky sphere that travels around a planet