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CMB Images

Images > CMB Images > Three Year Microwave Sky

WMAP Three Year Microwave Sky
Three Year Microwave Sky

The detailed, all-sky picture of the infant universe from three years of WMAP data. The image reveals 13.7 billion year old temperature fluctuations (shown as color differences) that correspond to the seeds that grew to become the galaxies. The signal from the our Galaxy was subtracted using the multi-frequency data, seen below. This image shows a temperature range of ± 200 microKelvin.

Credit: NASA / WMAP Science Team

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WMAP # 060913

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