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A 9-billion-year-old signal could help explain dark energy
Science
ScienceDaily (all)EN
October 9, 2026

A 9-billion-year-old signal could help explain dark energy

A Canadian radio telescope has detected the faint glow of hydrogen from billions of years ago using only its own observations, proving a long-awaited way to map the distant universe can actually work. CHIME can use this hydrogen signal to trace how matter is spread across space and measure how the universe has expanded over time, offering a powerful new way to investigate dark energy.

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