Scientists detect signals of hydrogen from billions of years ago. Could this help us map out the universe?
Astronomers using the MeerKAT radio telescope have detected hydrogen signals from billions of years ago, offering a new method to map the universe's structure. This technique, known as hydrogen intensity mapping, allows scientists to trace the distribution of hydrogen across cosmic time.
Why it matters
This research provides a powerful tool for understanding the evolution of the universe and the role of dark energy in cosmic expansion.
Galaxies Scientists detect signals of hydrogen from billions of years ago. Could this help us map out the universe? News By Robert Lea Published 4 September 2026 "Hydrogen intensity mapping has long been seen as a promising way to map the universe efficiently."
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