Originally Posted by fcunnane

The first sound is created from the accreting matter into BEC that follows Bose-Einstein statistics. The second, third and fourth sounds are created when you expose the BEC to a heat source, it causes sound in the condensate and evaporates matter. The CBR should stay peaked at 160.2ghz which is the sound Helium in superfluidity makes at a certain attenuation based on the heat source in second sound. The CBR should shift eventually peaking at a lower freq. as heavier elements in the universe become more prevalant.

Thanks for asking.