Across
- 2. something after a star dies
- 4. the start of expansion
- 6. not even light can escape
- 9. _618
- 10. not big enough
- 11. giant ball of flaming gas
- 12. might not exist
- 14. everything there is
- 15. about 1700 times larger than the sun
- 16. collection of gas and rocks
Down
- 1. before planet
- 3. carpet of gas
- 5. before star
- 7. the closest galaxy
- 8. like earth
- 13. a collection of dust where we live