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Some may already be familiar with the sonic boom that accompanies a break to the sound barrier, but when and why would ...

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NASA has snapped a stunning image of a supersonic plane breaking the sound barrier – as its creators boast that there was “no audible sonic boom”. The Boom Supersonic XB-1 – dubbed a &#… ...

An incredible image shows Boom Supersonic's XB-1 jet breaking the sound barrier.

NASA Image Shows XB-1 Jet Break The Sound Barrier Without Producing Audible Sonic Boom The XB-1 jet broke the sound barrier three times during its test flight. No boom was heard from the ground.