Red Shift
Red shift is an apparent increase of the wavelength of light toward the red end of the electromagnetic spectrum caused by relative motion between the light-emitting object and an observer. T...
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Red-Shift
A red-shift refers to the shifting of wavelengths of energy toward the red end of the color spectrum.
In 1842 Christian Johann Doppler determined that if a light source is moving toward or a...
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Red Shift
Red-Shift
