From: David Woolley (david_at_djwhome.demon.co.uk)
Date: Thu Nov 06 2003 - 15:13:21 PST
> significant and easily available "universal constant" like the velocity of
> light in space is, but I'm finding it a very hard bit of information to
> track down.
Space isn't a perfect vacuum. I imagine that the soundwaves are propagating
in a very tenuous gas and the velocity will depend on the temperature,
density, etc. of that gas.
Sound cannot propagate in a true vacuum.
I have not seen the articles in question.
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