Click here to hear it (MP3) -->starbass (audio/mpeg, 254 KB)

Stars make sounds. The discipline of asteroseismology measures the oscillations. The internet lets you hear them!

The new observations demonstrate that xi Hya oscillates with several periods of around 3 hours.

It is well worth downloading the tune it makes (look for the link at ESO). Okay, it's speeded up a million times, but it has a rocking rhythm!

European Southern Observatory Cosmiverse