Stellar explosions known as type Ia supernovae are a significant tool in cosmology, but their exact nature is unknown. Two studies bring an understanding of these cosmic blasts a step closer. See Letters p.344 & p.348
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Hamuy, M. Cosmic explosions under scrutiny. Nature 480, 328–329 (2011). https://doi.org/10.1038/480328a
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DOI: https://doi.org/10.1038/480328a