Latest Results From Cosmic Microwave Background Radiation Measurements

The BICEP3 telescope located at the Amundsen-Scott South Pole Station in Antarctica. (The metal skirt around the telescope shields it from reflected light from the surrounding ice.) New results analyzing BICEP3 data together with earlier data and the datasets from space missions have improved previous constraints on the kinds of models of inflation that could describe the earliest moments of the universe. Credit: Steffen Richter

The universe was created about 13.8 billion years ago in a blaze of light: the big bang. Roughly 380,000 years later, after matter (mostly hydrogen) had cooled enough for neutral atoms to form, light was able to …