Across
- 3. a system of millions or billions of stars
- 4. A collection of planet around a sun
- 9. A rock that enters atmosphere
- 10. an astronomical bright object
- 11. A terrestrially object placed into orbit
- 12. A star that planets orbit
- 13. A rock that orbits the sun
Down
- 1. An astronomical measurement
- 2. An astronomical body that orbits the a star
- 5. It is the gravitational curve around planets
- 6. A rock that has fallen to earths orbit
- 7. dust That would blast past orbit
- 8. A natural satellite
- 10. Patch that occurs on the sun time to time