Am 24.02.2015 um 23:04 schrieb Alain:

>>> In an ideal gas, the speed of sound is proportional to the square root
>>> of the pressure... until relativistic effects kick in, I guess.
>>
>> In numbers: Speed of sound in hydrogen and helium is roughly 10^3 m/s at
>> atmospheric pressure. With the pressure in outer space being lower by a
>> factor of about 10^14, according to Newtonian mechanics the speed of
>> sound in this medium would be about 10^7 times higher, i.e. 10^10 m/s -
>> exceeding the speed of light by about 1.5 magnitudes.
>>
>
> That would be inversly proportional.

Whoops - yes. Consider it a typo.

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