Scientists detect signals of hydrogen from billions of years ago. Could this help us map out the universe?

Astronomers have used the MeerKAT radio telescope to detect hydrogen gas located billions of light-years away, from a period when the cosmos was billions of years younger. Astronomers have used the MeerKAT radio telescope to detect hydrogen gas billions of light-years away from us — from a period when the cosmos was billions of years younger than its current age of 13.8 billion years [1].

Sources

1. space.com · Scientists detect signals of hydrogen from billions of years ago. Could this help us map out the universe? Sep 4, 2026

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