The Keplerphone is a music generation system powered by the Kepler space telescope. Sonifying astronomical data
may well help to expose the presence of exoplanets, which may be ripe for human conquest at some later point.
Also, interstellar rock.
For a given star (or Kepler object of interest KOI), Kepler provides a time series of light-curve values, chunked up into quarters over a span of roughly two years.
The sonification first detects transiting exoplanets by looking for sharp dips in the light curve, and synthesizes these events as percussion elements. The remaining flux contours are quantized and mapped onto a user-selected scale (e.g., pentatonic). Three quarters of data are played simultaneously with different instrument patches, though the individual time series are not phase aligned for the planet's orbit.
The final sonification is rendered as midi using pretty-midi and played back in the browser with MIDIjs.
Also there are some colorful plots to make it more cheerful. And you can share your favorite space jams with your friends via Twitter.