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Astrophysics

A whirling dervish

Vega is a fundamental reference star for astronomers. But it seems that our perceptions of it have been misconceived — rather than spinning slowly, the star is a rapid rotator seen pole-on.

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Figure 1: Doppler broadening.

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Gray, R. A whirling dervish. Nature 440, 873–874 (2006). https://doi.org/10.1038/440873a

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