Wilkinson Microwave Anisotropy Probe
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Measuring Accurately
The Wilkinson Microwave Anisotropy Probe measures the differences in temperature of the Cosmic Microwave Background Radiation between two different points in the sky rather than the absolute temperature values themselves. This is because differential measurements of the CMB are much more accurate than absolute measurements.
Site link: Measuring Accurately
Credit: NASA / WMAP Science Team
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WMAP # 081012
