The microwave sky as seen by ESA's Planck satellite. Light from the main disk of the Milky Way is seen across the center band, while radiation left over from the big bang is visible on the outskirts of the image.
From roughly 1,000,000 miles into space, on July 5, 2010 the European Space Agency'sPlanckspace observatory took the first photograph of the entire universe as seen in microwave light.