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Cosmology

In March astronomers in the BICEP2 collaboration announced they had found gravitational waves from the Big Bang. But now the evidence is being questioned by other scientists. Dr Lucie Green reports on the debate and asks if scientists can ever know what happened billions of years ago when the universe was formed.Image copyright: Steffen Richter, Harvard University

Published Sep 27, 2026 · 7:45 AMOriginal source: Discovery4 reads
In March astronomers in the BICEP2 collaboration announced they had found gravitational waves from the Big Bang. But now the evidence is being questioned by other scientists. Dr Lucie Green reports on the debate and asks if scientists can ever know what happened billions of years ago when the universe was formed.Image copyright: Steffen Richter, Harvard University
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Discovery

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