Searching for Signals from the Early Universe

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In the search for signals from the early universe, the Heidelberg scientist Georg Wolschin deals with the question of whether and how residual spectral lines from the recombination phase with the formation of the first elements can be detected in the cosmic background radiation - which can be measured very precisely today. It is not yet possible to detect these recombination lines of hydrogen and helium atoms, which were emitted some 380,000 years after the Big Bang, but it could be possible in the future as measuring equipment improves. Prof. ...

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