Listen: NASA Project Transforms Telescope Data on Milky Way Into Sounds


A new sonification project led by NASA’s Chandra X-ray Center has provided space enthusiasts with the opportunity to hear a portion of the center of the Milky Way and the remains of the supernova Cassiopeia, among other galactic jewels.

The project tapped a variety of x-ray, optical and infrared images collected through the Chandra X-ray Observatory, the Hubble Space Telescope and the Spitzer Space Telescope, and saw agency scientists examine a 400-light-year span of the Milky Way’s Galactic Center.

The joint effort ultimately translated the collected data into sound in a move to offer a new take on the cosmos. Officials are offering users the options to either listen to the work as an ensemble or as solos.

The crescendo of the ensemble occurs when the marker reaches the bright, lower-right portion of the image, which depicts Sagittarius A* – a bright, complex radio source that is home to a supermassive black hole.

“X-rays from Chandra reveal gas heated to millions of degrees from stellar explosions and outflows from Sagittarius A*,” the release adds.

However, in addition to the focus on the Galactic Center, the project also provides viewers with the chance to listen to both the supernova remnant Cassiopeia A and the Pillars of Creation, an active star-forming section of the Eagle Nebula.

The Chandra X-ray team noted in its description of the project that the sonification of Cassiopeia A is “mapped to four elements found in the debris from the exploded star as well as other high-energy data.” Similar to the process used for the ensemble, the intensity of the light sources is represented by the volume heard.

The NASA project is part of ongoing work being carried out by the US space agency’s Universe of Learning program.


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