Jun 21, 2010

A Song of the Sun for the Solstice

Astronomers have captured the vibrational frequencies associated with the sun's coronal loops and produced a music video.

Astronomers at the University of Sheffield have managed to record for the first time the eerie musical harmonies produced by the magnetic field in the outer atmosphere of the sun.

They found that huge magnetic loops that have been observed coiling away from the outer layer of the sun's atmosphere, known as coronal loops, vibrate like strings on a musical instrument.

In other cases they behave more like soundwaves as they travel through a wind instrument.

Using satellite images of these loops, which can be over 60,000 miles long, the scientists were able to recreate the sound by turning the visible vibrations into noises and speeding up the frequency so it is audible to the human ear.

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