Across
- 1. The time it takes a planet to rotate once
- 2. When the Moon passes into the Earth's shadow
- 4. The phase when the sunlit side of the Moon is facing towards Earth
- 7. A planet made up of mostly icy materials
- 9. A group of millions or billions of stars
- 11. A large space rock that orbits the Sun
- 12. A large natural object that orbits a planet
Down
- 1. Sunlight that hits the Earth's surface at a high angle
- 3. A representation of an idea, object or system
- 5. The galaxy in which the Solar System is located
- 6. A planet made up mostly of gases
- 8. An imaginary line halfway between the North and South Poles
- 10. An imaginary line through an object
