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Relic of the dawn of time

Elements heavier than helium are synthesized in stars. But could there be stars, created soon after the Big Bang, that contain almost no heavy elements? The discovery of such a star gives new clues to this early time.

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Figure 1: The Galactic disk.



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Correspondence to Catherine A. Pilachowski.

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Pilachowski, C. Relic of the dawn of time. Nature 419, 886–887 (2002).

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