Astronomers unveil largest 3D universe map of its kind, illuminating 'hidden' cosmic structures

Space.com
by Samantha Mathewson
March 5, 2026
Astronomers unveil largest 3D universe map of its kind, illuminating 'hidden' cosmic structures
Scientists mapped a hidden "sea of light" from hydrogen 9–11 billion years ago, revealing how the early universe was structured.
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Originally published on Space.com on 3/5/2026