Early Universe Black Holes Grew In Bursts, X-Ray Data Shows | Video

The Chandra X-ray Observatory was used to scan the same Deep Field-South sky that Hubble has observed. They are using the data to study black holes in the early Universe.  Deepest-Ever X-Ray Image of Space Captures Countless Black Holes

credit : X-ray: NASA/CXC/Penn State/B.Luo et al. Optical: NASA/Hubble