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camkatastrophe t1_iyabumd wrote

Reply to comment by 4thesuns in ELI5: Would the sound of a spaceship leaving Earth slowly disappear to the people inside of it? by 4thesuns

So sound is caused by something vibrating. Any sound that's coming from the boosters vibrating air molecules outside which vibrate the windows which vibrate the air inside would fade out to nothing as air outside got thinner. But any sound coming from the boosters vibrating the vessel itself would still be heard even as the vessel got completely out of the atmosphere.

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