Across
- 4. a trail of ice, dust and gas that follows a comet
- 6. A collection of eight planets and their moons in orbit around the sun
- 7. the way an object spins around another object
- 8. A rock in space that is not big enough to be a plant.
- 10. A rock from space in earths atmosphere.
- 11. A ball of gas, ice and dust that flies through space.
- 12. the main star of our solar system
Down
- 1. A rock from space that hits earths crust.
- 2. An area past Neptune where comets and asteroids come from.
- 3. to break apart
- 5. An area between Mars and Jupiter that contains many asteroids.
- 9. A rock in space that is not big enough to be an asteroid.