Across
- 3. The relative size of things
- 6. The border between light and dark on the moon
- 9. A moon phase that looks like a full circle from earth
- 10. Something we observe to be similar over and over again
- 11. The nearly circular path a smaller object travels around a larger object
Down
- 1. The shape of the illuminated part of the moon as it appears from earth
- 2. A moon phase that looks like a banana
- 4. A rocky sphere that travels around a planet
- 5. An object, diagram or computer program that helps us understand something
- 7. The star that is the main source of light at the center of our solar system
- 8. To shine light on an object and make it visible