Space Science

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

Mar 5, 2026, 3:03 PM

出典: Space.com

<![CDATA[ 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. ]]>

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Cosmic Microwave Background Radiation

The cosmic microwave background radiation (CMB) is the afterglow of the Big Bang, providing a snapshot of the universe when it was just 380,000 years old. It is a critical piece of evidence for the Big Bang theory and helps scientists understand the early universe's conditions.