Using data from Chandra and the Sloan Digital Sky Survey, scientists have found evidence that supermassive black holes in the early Universe grew intermittently in the first billion years after the Big Bang. They compared theoretical models to data including the Chandra Deep Field-South and other Chandra surveys.
A population of growing black holes over 13 billion light years from Earth.
Image credit: X-ray: NASA/CXC/Univ. of Rome/E.Pezzulli et al. Illustration: NASA/CXC/M.Weiss
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