this post was submitted on 14 Sep 2023
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[–] cmac 3 points 1 year ago

This effect happens continuously as long as the plane is traveling faster than the speed of sound. Sonic booms are not a one time thing that only happens when you "break the sound barrier". The concept of it being a barrier at all comes from before we could go that fast and it was believed to be impossible due to infinitely increasing drag as you approach it.