Difference between revisions of "See Illustration 1"
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| + | Red Shift: Waves of light or sound are stretched out or compressed by motion: | ||
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| + | 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. | ||
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| + | Illustration 1 | ||
Revision as of 01:29, 29 December 2007
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
