Huh. As soon as I read what you wrote, I thought, "that actually makes sense", but then I wondered how it worked. Happily, Wikipedia's entry on Sonic Boom is de

Huh. As soon as I read what you wrote, I thought, "that actually makes sense", but then I wondered how it worked. Happily, Wikipedia's entry on Sonic Boom is detailed, with animations and specifics - including altitude and temperature, which affect if the boom is heard or not at ground level. Very interesting. https://en.m.wikipedia.org/wiki/Sonic_boom https://en.m.wikipedia.org/wiki/Sonic_boom