The deepest note mankind has ever detect …
The deepest note mankind has ever detected is a B♭ that is 57 octaves below middle C. The sound is made by inflating plasma bubbles in the center of the Perseus Cluster.
The deepest note mankind has ever detected is a B♭ that is 57 octaves below middle C. The sound is made by inflating plasma bubbles in the center of the Perseus Cluster.