Space

funhusker said:
How did the "sound" get to our receiver?  I get that a cluster could have enough gas to be a vehicle for soundwaves, but I'm assuming there is a very large vacuum between the gas filled cluster and the receiver used to collect the data.

Please, no one take this as "scientists are lying to us!", I'm genuinely curious.
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The sound doesn't reach us. Instead astronomers measure the pressure waves (I assume from x-rays since the Chandra X-ray Observatory is producing the data) and then convert that to the equivalent sound.

Edit: it's from a variety of sources: x-ray, visible light, and radio waves.

More sounds:

https://chandra.si.edu/sound/

 
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for_stsci_site_imagec-neptunezoom.png


https://www.nasa.gov/feature/goddard/2022/new-webb-image-captures-clearest-view-of-neptune-s-rings-in-decades

 
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