Technically speaking, there is no noise in deep space. A lack of molecules means there is no medium through which sound waves can travel. Essentially, most of the universe is a giant, near-perfect vacuum. But hot turbulent gas in stars produce internal and surface waves which can be picked up by telescopes. Space telescopes also measure wavelengths of light and send that data back to Earth. Sonification allows the astronomical data transmitted by telescopes to then be turned into sound. Sonification is not only creating greater opportunities for scientific inclusion, but helping astronomers to fine-tune their celestial observations. "The auditory system is a fantastic pattern recognition device. We accomplish speech by listening to changes in a person's voice over time. We can use the same capabilities to listen for changes in a dataset," says Bruce Walker, professor in the School of Psychology and the School of Interactive Computing, and director of Georgia Tech's Sonification Lab.