PRINT THE UNIVERSE
Photograph by NASA/WMAP Science Team
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The Wilkinson Microwave Anisotropy Probe (WMAP) observatory is a 1,850 pound, 15-foot-diameter satellite that orbits the Earth at a distance four times farther than the moon. It detects 13-billion-year-old temperature fluctuations from the early universe by recording microwave radiation from 379,000 years after the Big Bang. These fluctuations are the seeds from which galaxies eventually formed.
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