Planck: First Stars Formed Later Than We Thought
Feature • August 31, 2016
ESA's Planck satellite, a mission with significant participation from NASA, has revealed that the first stars in the universe started forming later than previous observations of the cosmic microwave background indicated. The background is the most ancient light in the history of the cosmos, dating back to 380,000 years after the big bang.
Planetarium-Friendly Versions of Planck All-Sky Maps Available
Feature • April 15, 2013
Planck's all sky maps showing the oldest light in our universe, as well as the calculated distribution of mass of the universe, are now available in a format suitable for use in planetarium systems and other 3D software.