Across
- 3. Exploding star
- 4. plural H plus HE
- 5. A glowing orb in the sky
- 8. A full object illuminated in the night sky
- 9. Super exploding star
- 10. The shape of a croissant
- 13. 23.5
- 14. H plus He
- 15. Like a Meteoroid and Comet
Down
- 1. Cycle
- 2. A round object illuminated in the night sky
- 6. A new object illuminated in the night sky
- 7. Solar or lunar
- 10. Like a Meteoroid and Asteroid
- 11. Our planet
- 12. Revolution