Across
- 2. moon, a phase that looks like a half-circle from Earth
- 6. eclipse, when the moon is completely dark
- 9. the border between light and dark on the moon
- 10. to shine light on an object
Down
- 1. moon, looks like less than half a circle
- 3. the amount of time it takes for a planet to complete one orbit around the star or stars
- 4. the star that is the main source of light at the center of our solar system
- 5. the relative size of things
- 7. moon, looks like a full circle from Earth
- 8. the nearly circular path a smaller object travels