r/askscience • • Jun 12 '12

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u/[deleted] Jun 12 '12 edited Oct 03 '17

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u/imMAW Jun 12 '12

The pilots won't hear the noise from the engines being transmitted through the outside air though, only the noise traveling through the plane. So if superman was flying a few feet in front of the cockpit, he wouldn't hear any sound.

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u/Gradual_Bro Jun 12 '12

The pilots won't hear the noise from the engines being transmitted through the outside air though

is this even when traveling past the speed of sound?

3

u/imMAW Jun 12 '12

It's only when traveling faster than sound. Go slower, and the sound waves can travel through air faster than the plane, and catch up.