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Read articles, including Science News stories written for ages 9-14, on the SNK website.
COSMIC SMEARS

Gravitational distortions are too small to be seen in this all-sky map of the Big Bang’s afterglow, assembled from data gathered by the Wilkinson Microwave Anisotropy Probe. But astronomers using a high-resolution telescope in Chile are studying such distortions to calculate where matter in the distant universe lies. Credit: NASA/WMAP Science Team

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