Across
- 4. The most famous dwarf planet
- 5. The imaginary line a planet spins on
- 8. The moon's gravitational pull causes this
- 10. The closest cluster of asteroids
- 15. It is made of ice and dust particles and left by a rocky object
- 17. It is what a black hole is because it sucks up light
- 18. Causes meteors to fall to earth
- 19. The hottest planet in our solar system
Down
- 1. Our closest sattelite
- 2. An object with a gravity so great light can't escape it
- 3. The farthest Cluster of Asteroids
- 6. A cloud of gas an dust
- 7. This causes black holes to happen
- 9. Gives us energy
- 11. The reason we always see the same side of the moon
- 12. A small rocky object orbiting the sun
- 13. The largest planet in our solar system
- 14. The path a planet follows
- 16. The hottest type of sun