NASA news: Listen to the sounds of the Milky Way galaxy in this beautiful video

The astronomers said: “In Cas A, the sounds are mapped to four elements found in the debris from the exploded star as well as other high-energy data.

“The distribution of silicon (red), sulfur (yellow), calcium (green), and iron (purple) are revealed moving outward from the centre of the remnant, starting from the location of the neutron star, in four different directions, with intensity again controlling the volume.”

In the Pillars of Creation video, as the soundwave moves from the left to the right, they are generated from visible and X-ray light.

The astronomers said: “As with the sonification of the Galactic Center, the vertical position of the recorded light controls the pitch, but in this case, it varies over a continuous range of pitches.


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