Across
- 2. gray, inside Galaxy colored, space, planet
- 4. no light goes through
- 6. cannot be made or destroyed
- 7. is a star
- 8. we live here
- 9. some light goes through
- 10. gaining up energy
- 11. people are going to travel there in many years
Down
- 1. clear, all light goes through
- 3. blue,space, planet
- 5. energy in motion
- 11. gray, walked on it, space