Can we hear sound that pitch?....![EEK!](http://www.gyrix.com/forums/core/images/smilies/eek.png)
The lowest note in the universe is caused by the rumbling of a black hole in the Perseus galaxy - 57 octaves below middle C
![EEK!](http://www.gyrix.com/forums/core/images/smilies/eek.png)
The lowest note in the universe is caused by the rumbling of a black hole in the Perseus galaxy - 57 octaves below middle C
Comment