Older than Milky Way: Scientists study signals older than 13 billion years — what they reveal

Scientists have detected ancient microwave signals from the universe's early days. These signals, over 13 billion years old, offer insights into the Cosmic Dawn. They reveal how the first structures influenced light left over from the Big Bang. This groundbreaking detection was made using Earth-based telescopes. It challenges previous assumptions about where such observations could be made.

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