Technology
A faint signal from the Universe’s dark ages could reveal dark matter
2026-01-20 08:34
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After the Big Bang, the Universe entered a long, dark period before the first stars formed. During this era, hydrogen emitted a faint radio signal that still echoes today. New simulations show this si...
After the Big Bang, the Universe entered a long, dark period before the first stars formed. During this era, hydrogen emitted a faint radio signal that still echoes today. New simulations show this signal could be slightly altered by dark matter, leaving behind a measurable fingerprint. Future radio telescopes on the Moon may be able to detect it and shed light on one of astronomy’s greatest mysteries.
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