What was the universe like 50 million years after
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The study’s novel conclusions, published in the prestigious journal Nature Astronomy under the title “Prospects for precision cosmology with the 21 cm signal from the dark ages,” show that measured radio signals can be used for a novel test of the standard cosmological model, and to determine the composition of the universe as well as the weight of neutrino particles.
In the future, they may also help scientists gain another clue to the mystery of dark matter.