Across
- 3. The motion of one object around another because of gravity
- 5. A large natural object that orbits a planet
- 8. Any object that orbits a planet or star
- 9. A ball of gas that releases light and heat
- 12. A planet made up mostly of icy materials
- 13. A planet made up mostly of gases
- 14. a type of chocolate
- 15. A half of the Earth
Down
- 1. Any phase when more than half of the sunlit side of the Moon can be seen
- 2. phase when less than half of the sunlit side of the Moon can be seen
- 4. When the Moon passes into the Earth's shadow
- 6. An attractive force between any two objects that have mass
- 7. A representation of an idea, object or system
- 10. A large space rock that orbits the Sun
- 11. A group of millions or billions of stars