Across
- 4. balls of dust and ice that orbit the Sun
- 7. the galaxy that we live in
- 8. the biggest planet in our solar system
- 9. groups of stars that look like a particular shape in the sky
- 10. everything that exists in space
- 12. the planet we live on
- 13. the dwarf planet in our solar system
Down
- 1. the Earth’s natural satellite
- 2. objects in orbit around a planet
- 3. the planet closest to the Sun
- 5. groups of millions of stars, planets, gas clouds and rock fragments
- 6. the planet farthest from the Sun in our solar system
- 11. the number of planets in our solar system