Across
- 5. A model of the Solar System in which the Sun is at the centre
- 9. A large space rock that orbits the Sun
- 12. A group of millions or billions of stars
Down
- 1. An object that orbits a planet or star and is human-made
- 2. An imaginary line halfway between the North and South Poles
- 3. Sunlight that hits the Earth's surface at a high angle
- 4. A half of the Earth, either north or south of the Equator
- 6. The galaxy in which the Solar System is located.
- 7. An imaginary line through an object around which it spins
- 8. An attractive force between any two objects that have mass
- 10. An event where one object in space blocks another from view Eclipses occur when the Earth
- 11. The time it takes a planet to rotate once
