Astronomers probe matter in early universe
COSMIC SMEARSGravitational distortions are too small to be seen in this all-sky map of the Big Bangโs 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.NASA/WMAP Science Team