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Supernovae

Searching for companions

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New observations suggest that two highly debated mechanisms for type Ia supernovae — our standard distance 'candles' for astrophysical objects — may both be correct.

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Figure 1: A white dwarf accreting material from a companion red giant star.

© 2015 ANTHONY L. PIRO

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Correspondence to Anthony L. Piro.

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Piro, A. Searching for companions. Nature Phys 11, 445–446 (2015). https://doi.org/10.1038/nphys3353

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