Across
- 3. Total energy each second
- 9. Earths Sister
- 10. Distance Measuring
- 12. Planet orbiting other stars
- 16. Half moon after Full moon
- 18. Life existing place
- 22. No moon
- 23. 24hr
- 24. Super giant stars becomes this
- 25. Sun Becomes this
Down
- 1. Distance Travelled by light in a year
- 2. an orbiting home for astronauts
- 4. Shadow Play
- 5. Exoplanet Detection Method
- 6. Planet with Two suns
- 7. Largest Planet
- 8. Sun's energy source
- 11. Birth Place of Stars
- 13. Orbital Period equals Rotational Period
- 14. Exploding Star
- 15. Infrared Telescope
- 17. Path of Milk
- 19. Wanderers
- 20. Brightest Star
- 21. Most of the nebula is