Across
- 2. there are billions in the space
- 3. luminous star
- 7. we are in it
- 8. the name of our system
- 9. our planet
- 11. killed the dinosaurs
- 12. the biggest star in the system
- 14. made up of gas and space dust
- 15. we use it to see the space
Down
- 1. formated by multiple stars
- 4. the red planet
- 5. absorbs everything around him
- 6. between Mars and Jupiter
- 10. big explosion
- 11. the artificial satellite
- 13. there are 8 in our system