Across
- 3. a system of millions or billions of stars
- 6. the collection of eight planets and their moons in orbit round the sun
- 8. gravitationally curved trajectory of an object
- 10. a rock that deteriorates in our atmosphere
- 11. the natural satellite of earth.
- 12. an astronomical object made of plasma.
Down
- 1. a distance traveled by light in one year.
- 2. a celestial body moving in orbit around the sun
- 4. flying space rock in obit around the sun
- 5. a celestial body consisting of ice and dust
- 7. a piece of technology put it orbit around earth
- 9. a black spot that appears on the sun
- 10. a rock that makes its way to earth
- 12. the star that earth orbits