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Twinkling stars

A correlation between stellar brightness variations and the gravitational acceleration at a star's surface has been observed that allows this acceleration to be measured with a precision of better than 25%. See Letter p.427

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Figure 1: Stellar variability.

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Correspondence to Jørgen Christensen-Dalsgaard.

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Christensen-Dalsgaard, J. Twinkling stars. Nature 500, 405–406 (2013).

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