Astronomers have unveiled one of the most ambitious maps yet of the early universe, revealing a vast "sea of light" between galaxies that had remained otherwise hidden in previous surveys.

Astronomers unveil largest 3D map yet of hydrogen light in the early universe, illuminating 'hidden' cosmic structures

Source: space
Source Link: https://www.space.com/astronomy/astronomers-unveil-largest-3d-map-yet-of-hydrogen-light-in-the-early-universe-illuminating-hidden-cosmic-structures