Across
- 3. a moon outside our solar system
- 6. the star that is the main source of light at the center of our Solar System
- 7. the relative size of things
- 10. to shine light on an object and make it visible
- 12. Eclipse when the moon is completely dark
- 13. Moon a moon phase in which the Moon is not visible from Earth
- 14. a planet outside our solar system
- 17. the border between light and dark on the Moon
- 18. Moon a Mon phase that looks like half-circle from Earth
Down
- 1. Moon a moon phase that looks like more than half a circle from earth
- 2. a rocky sphere that travels around a planet
- 4. Moon a moon phase that looks like a full circle from earth
- 5. an object, diagram, it computer program that helps us understand something by making it simpler or easier to see
- 6. System the Sun, the planets,that orbit the sun, and other objects that orbit the Sun
- 8. Moon a moon phase that looks like less than half a circle from earth
- 9. something we observe to be similar over and over again
- 11. Phase the shape of the illuminated part of the Moon as it appears from Earth
- 15. the nearly circular path a smaller object (like the Moon) travels around a larger object (like Earth)
- 16. the amount of time it takes for a planet to complete one orbit around a star or stars