Across
- 5. order of spectral type from hottest to coldest
- 8. method for finding the distance to nearby stars
- 12. type of spectrum created when light goes through a hot gas and specific wavelengths of light are released
- 14. type of spectrum created where certain wavelengths are absorbed and leave dark gaps
- 15. the amount of energy that a star gives off per second
- 16. light bouncing back from a smooth surface
- 19. light bending when it enters a new medium
Down
- 1. the brightest objects have a magnitude that is a _____ number
- 2. magnitude that only depends on the brightness of the star
- 3. The color of G class stars
- 4. humans can see relative magnitude of ____ and lower
- 6. light released from stars used to determine their composition
- 7. Each element produces its own, _______ spectrum.
- 9. color that has the lowest energy
- 10. O class stars are the hottest, and the most ________ stars
- 11. magnitude that depends on the brightness of the star and distance from earth
- 12. light is a form of ____
- 13. electrons release light in the form of a ____
- 17. part of the atom responsible for releasing light
- 18. M class stars are red, _____, and the least massive stars
