Across
- 2. Small and rocky
- 5. a minor planet
- 7. The earths natural satellite
- 8. It orbits around the sun
- 10. system consists planets, sun and stars
- 11. an icy, small solar system body
- 12. An astronomical object
Down
- 1. It temporarily appears as spots darker than the surrounding areas
- 3. A celestial object or spacecraft
- 4. a system with stars, stellar remnants, interstellar gas, dust and dark matter
- 6. The centre of the solar system
- 7. Falls from the earths surface
- 9. year A unit of length used to express astronomical distances