Actually, it's entire tune is the note B-flat, but 57 octaves lower than middle-C, or one million billion lower than what the human ear can hear. It is "the deepest note ever detected from an object in the Universe."
TrackBack URL for this entry:
Listed below are links to weblogs that reference There's a black hole in the Perseus galaxy cluster and it's singing a sad tune in the key of B flat.:
The comments to this entry are closed.