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Where are Procyon's quakes?

The acoustic waves that ripple through the Sun should exist in other stars too. But a search for these ‘starquakes’ in the nearby star Procyon has found no evidence of them.

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Figure 1: Procyon in the winter sky.



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Christensen-Dalsgaard, J., Kjeldsen, H. Where are Procyon's quakes?. Nature 430, 29–30 (2004).

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