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Four Years On, New Experiment Sees No Sign of ‘Cosmic Dawn’

When astronomers tried to confirm a signal from the birth of the first stars after the Big Bang, they saw nothing. In 2018, astronomers operating an antenna called EDGES in the Australian outback reported that radio waves of a particular frequency were significantly dimmer than other waves coming from the night sky. The finding, publishedContinue reading “Four Years On, New Experiment Sees No Sign of ‘Cosmic Dawn’”

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