Across
- 3. planet A planet made up mostly of gases, such as hydrogen and helium
- 6. an imaginary line halfway between the North and South Poles
- 10. satellite An object that orbits a planet or star and is human-made
- 11. An imaginary line through an object around which it spins
- 12. The time it takes a planet to rotate once
Down
- 1. an event where one object in space blocks another from view
- 2. A large space rock that orbits the Sun
- 4. moon The phase when the sunlit side of the Moon is facing towards Earth
- 5. moon Any phase when less than half of the sunlit side of the Moon can be seen
- 7. A group of millions or billions of stars
- 8. quarter moon The phase when the Moon is waxing and half of the sunlit side can be seen
- 9. sunlight sunlight that hits the Earth's surface at a high angle