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Nature 423, 29 (1 May 2003) | doi:10.1038/423029a

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Astronomy: Elements of surprise

John Cowan

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The discovery of a very distant galaxy for which the abundances of around 25 elements can be measured promises new insight into the history of element creation and star formation in the Universe.

In the Big Bang at the beginning of the Universe, the lightest elements, hydrogen, helium and lithium, were created. Two other light elements (beryllium and boron) are produced in interstellar space in interactions between cosmic-ray particles and gas atoms1.