Across
- 3. orbits a planet
- 5. a machine that orbits planets and stars
- 8. a celestial body
- 10. the collection of 8 planets
- 12. a path around a planet, star or any object
- 13. unit of length in space
Down
- 1. a spot that sometimes appears on the sun
- 2. system of millions of billions of stars
- 3. a piece of rock when fallen to earth surface
- 4. a rock orbiting the sun
- 6. a ball of matter that enters the earth atmosphere
- 7. astronomical object
- 9. a celestial object consisting of ice and dust
- 11. big hot yellow star