... California, Santa Barbara / LCOGT ) Explanation: To create a sonata from supernovae, first you have to find the supernovae . ... Then, they gave each supernova a note to play, the volume of the note determined by the distance to the supernova. ... Each note's pitch was based on a stretch factor measured by how fast the supernova brightens and fades over time relative to an adopted standard time history. ... 2003 2004 . ... Publications with keywords: supernova . ... Shocked by Supernova 1987A . ...