Credit: NASA, Wikimedia Commons

With the discovery of cosmic microwave background radiation, Penzias and Wilson were able to tune in and for the first time hear the residual hiss left over from the Big Bang.  If you haven’t heard what it sounds like, here is a clip:

The Big Bang’s Echo at NPR.ORG

I was reminded of that hiss when I heard the sound of the recently discovered gravitational wave chirp.  Here is a recording of the chirp:

Even though both sounds stem from different sources, to me the gravitational waves sound like one cricket chirping while the CMB sounds like the symphony of nightlife sounds that blend into one overall blanketing buzz.  Perhaps something like this:

What do you hear when you listen to the universe– what does it sound like to you?