Across
- 2. Scientific Units placed in the Earths orbit to research the Earth and space
- 4. Star at the center of our solar system
- 6. Number describing the age of the Sun
- 9. The study of absorption and emission of light
- 10. Stage of when the sun is directly behind the moon
- 12. Stone structure formed for 1500 years by 3 cultures
- 13. Force atoms have to resist fusion
- 17. Myths of different religions and thoughts of early science
- 18. the ignition of a star
- 19. Waves of energy that come from the Sun
Down
- 1. A stream of subatomic charged particles from the Sun
- 3. Measurement of energy
- 5. Planet that makes up most of the planets' mass in the solar system
- 7. 4 phases of temperature change throughout the year
- 8. Term used to describe how something is able to use solar energy
- 11. Process plants use for energy
- 14. Statement of equality in a substance or process
- 15. Force of atoms that lay in the same polar directions
- 16. The equal negative of an electron
- 20. The God of Life