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NAHearing is believing 👂
Sonification is a process that translates visual data into sound. Listen to this sonified composite image of galaxy M74: Data from @NASAChandraXray corresponds to relatively high musical pitches of glassy ethereal and clear plucked sounds. In the Webb data, large, medium, and small features are represented by low, medium, and high frequency ranges of pitches, respectively, with the brightest stars being heard as percussive sounds. Meanwhile, @NASAHubble data has been turned into breathy synthesizer sounds along with thin metallic plucked sounds for bright stars and clusters.
How are sonifications created, and how do they impact the blind and visually impaired community? Learn more and find other sonifications at https://chandra.si.edu/sound/.
Visual description: Composite image is Messier 74, a spiral galaxy like our own Milky Way. Seen face-on from our vantage point on Earth, the galaxy’s sparkling arms spiral out from a bright white core. The core appears vibrant and alive, and crackles with lightning-like, pale blue light. Glowing, high-energy stars in purple, white, and orange, dot the lengths of the spiraling arms. Webs of murky dust crisscross the space between the curving silver blue arms, also known as dust lanes. As the video plays, a clockwise-moving radar-like scan starts around 3 o’clock. The distance from the center controls the frequencies of sound with light farther from the center being higher pitched.
Audio description: A combination of windy chimes, metallic plucks, and percussion play together in rapid succession. Audio pans left/right/up/down based on the location of the radar-like scan in the image.
Credit: NASA/CXC/SAO/K.Arcand, SYSTEM Sounds (M. Russo, A. Santaguida)
#JWST #Chandra #Hubble #Sonifications #Accessibility #NASA #Galaxy
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