Blog Post Image: Planck Mission Brings Universe into Sharp Focus

Refining the Ingredients of Our Universe. Planck’s detailed map of the oldest light in our universe allowed scientists to take the most precise inventory of the universe’s ingredients to date. The figure at left is based on previous data from nine years of observations using NASA’s Wilkinson Microwave Anisotropy Probe, or WMAP, the predecessor to Planck. Image credit: ESA and the Planck Collaboration (Click image to enlarge)