Across
- 3. European capital city
- 4. Computer input device
- 7. Literary movement of the 1920s
- 10. Shakespearean play
- 11. Form of electromagnetic radiation,
- 16. European country
- 18. Scientific term for study of heat,
- 19. Cosmic transparency process
- 20. Matter-antimatter dominance phenomenon
- 21. Solid-to-gas transition process
- 23. Musical instrument
Down
- 1. Scientific concept of energy
- 2. Type of tree
- 3. Process of converting light into electrical energy,
- 5. DNA repair protein complex
- 6. Musical term for loudness
- 8. Hypothetical gravity particle
- 9. Ancient Greek goddess
- 12. Unit of measurement for frequency,
- 13. Literary term for rhyme scheme
- 14. Form of Japanese poetry
- 15. European country
- 17. Popular team sport
- 19. Ancient Egyptian pharaoh
- 22. Scientific term for study of sound