The Audible Universe

Listening to the Sounds that the World Makes

We use “the visible universe” as a convenient way top refer to the known universe — the universe accessible to science because it is that portion of the universe accessible to our senses. Seeing is believing, as we say. And although sight does not exhaust our sensory experience of the universe, it does dominate our picture of the world because we are primarily visual animals, and it especially dominates our picture of cosmology, because we can see stars and galaxies, but we cannot touch them, taste them, smell them, or…