Line 2: |
Line 2: |
| | | |
| [[Image:Bang1.jpg]] | | [[Image:Bang1.jpg]] |
| + | |
| + | Red Shift: Waves of light or sound are stretched out or compressed by motion: |
| + | |
| + | Stretching a wave makes the wavelength longer; in the case of sound, it makes the note deeper; for light, it shifts the wavelength toward the red end of the spectrum. |
| + | |
| + | Illustration 1 |