Across
- 3. galaxy with a round, stretched look
- 4. galaxy without a category to fall under
- 6. halfway between full moon and new moon
- 8. between first quarter and full moon
- 10. between full moon and third quarter
- 11. fully lit moon
- 14. formed when a star loses all of its fuel
- 15. giant cloud of gas and dust
Down
- 1. massive main sequence star
- 2. band of stars in Hertzsprung-Russell diagram
- 5. phase right before a new moon
- 7. between new moon and full moon
- 9. galaxy with a twisted look
- 12. moon has no light shining on it
- 13. star with a bigger radius on the Hertzsprung-Russell diagram