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A baryometer is back

A Correction to this article was published on 17 January 2002

The usefulness of helium-3 as a probe of the early Universe has been in doubt. A rethink of stellar theory and new observational data put those doubts to rest.

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Figure 1: Big Bang nucleosynthesis predictions for the primordial nuclei.


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Correspondence to Corinne Charbonnel.

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Charbonnel, C. A baryometer is back. Nature 415, 27–29 (2002).

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