Over 20,000 galaxies glimmer in this sweeping view of the sky between the constellations of Pisces and Andromeda. But more than just an arresting sight, the view has helped astronomers determine what sparked the Epoch of Reionization, the period when the opaque universe gave way to the transparent one.
Read more…
Source : Webb Telescope Reveals How Light Emerged From the Fog of the Early Universe
