Across
- 2. compression of a (radiation) wave indicates it is __shifted.
- 4. has a wave we can percieve (sense), but isn't electromagnetic radiation (or light)
- 8. inverse of wavelength
- 9. a star is ____ if one side is redshifted and the other blueshifted
- 12. excites water molecules; also a kitchen appliance
- 14. a cold color in astronomy
- 15. star moving away is _____ed
- 17. longer wavelength than microwaves
- 18. light humans see
- 19. highest-energy color
- 20. distance between two crests of a wave
Down
- 1. object moving toward
- 3. radiation you are producing; heat
- 5. a field of study in which you find the 'finger print' of an element
- 6. All possible, unbroken light shown as one ___ spectrum
- 7. the most dangerous/energetic radiation
- 10. you get this radiation if you break a bone
- 11. sunscreen protects against ____ radiation
- 13. because we have samples on Earth, we compare them to objects in space determining their ___
- 16. phenomenon when frequency changes with motion