A musician composes a solar soundtrack

Robert Alexander converts solar data into sound, revealing hidden messages from our star

long filament of plasma from sun

FLARING OUT  The sun unleashed a long filament of plasma into space on August 31, 2012. Data form these eruptions can be converted into sound.

AIA/SDO/GSFC/NASA

Before tuning in to the rhythms of the sun, Robert Alexander (left) watched dancers’ movements and translated them into music.