Across
- 4. The colour of mars
- 6. Our galaxy is known as the _______ Way
- 7. Pieces of asteroids or meteoroids
- 9. The smallest planet in our solar system
- 10. Our moon is a natural _________
- 11. Our sun is a _________
Down
- 1. The first artificial satellite to be launched
- 2. Planets that are made of rocks
- 3. Icy balls of dust, rocks and ice
- 5. A collection of stars and solar systems
- 6. Another word for artificial
- 8. The largest planet in our solar system