The Cosmic Microwave Background is a Wall of Light. Here's How We Might See Beyond It

October 27, 2025 Universe Today

The Cosmic Microwave Background is a Wall of Light. Here's How We Might See Beyond It
By Brian Koberlein (https://ift.tt/yTBHVf3)

An illustration showing the timeline of the Universe as we see it, looking at ever more distant objects. Clear in the image is the wall of light at about 380,000 years after the Big Bang. Credit: NASA/JPL-Caltech/A. Kashlinsky (GSFC)

We cannot see directly beyond the cosmic microwave background, which means we can't directly observe the first 380,000 years of the Universe. But there are indirect ways we might observe this period.

October 27, 2025 at 10:22PM
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