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Sun Sound Waves

In the Face Book group:
The post was about sound waves below the surface of the Sun.
My comment:

Sun sound waves

I am suspicious whether Northumbria knows how to convey a discovery. 'boiling[hot] hydrogen would be plasma and if it moves as a current then it would generate a magnetic field.; I don't know how a magnetic field can be churned.
If 'sound waves' is the desired term then I should assume  the frequency noted is in the 10 hz to 20khz range. Why say the signal is a sound?
Do they want everyone to ponder the famous philosophical question?

If a tree falls in a forest and no one is around to hear it, does it make a sound?"

I suspect there is no one on the sun to hear it!

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