Across
- 3. The distance between adjacent waves
- 4. The top of a wave
- 6. How bright a star appears
- 8. How fast a wave is
- 9. a scatter graph of stars showing the relationship between the stars' absolute magnitudes
- 10. The brightness compared to the sun
- 12. The apparent shift in the position of a nearby star against a distant object that occurs as we view the star from different positions in Earth's orbit of the Sun
- 13. How frequent a wave is
- 14. The bottom of a wave
Down
- 1. The SI base unit of thermodynamic temperature, equal in magnitude to the degree Celsius
- 2. The complete spectrum of light
- 5. The distance that light can travel in one year
- 7. A ball of gas
- 11. One crest, one trough