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SlideshowReport

Our Motion Through the Microwave Background

Description
Our Motion Through the Microwave Background
Because of the Doppler effect, we detect shorter wavelengths in the microwave
background and a higher temperature of radiation in that part of the sky
toward which we are moving. This part of the sky is the area shown in blue in
Figure 18-5. In the opposite part of the sky, shown in red in Figure 18-5, the
microwave radiation has longer wavelengths and a cooler temperature
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