It is and amazing tool called Astroseismology where we can detect sound waves in the atmospheres of stars.

这是一个称为星震仪的神奇工具。我们可以侦测声波，于恒星的大气中。

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Astroseismology is performed when scientists examine the sound waves generated beneath the surface of the star to determine its size.

FORBES: NASA Discovers The Smallest Planet Outside Our Solar System

The money raised helped to support the astroseismology involved in this research.

FORBES: NASA Discovers The Smallest Planet Outside Our Solar System

That is where the science of astroseismology comes in - and a team of experts in this area of science at the University of Birmingham in the UK took a look at the data.

BBC: Exoplanet Kepler 37b is tiniest yet - smaller than Mercury