Today, I was just surfing around the web and found “Sonic Boom”!
What is it?
It’s when the aircraft goes faster than the speed of sound and creates water vapors basically or according to Wikipedia:
When an object passes through the air, it creates a series of pressure waves in front of it and behind it, similar to the bow and stern waves created by a boat. These waves travel at the speed of sound, and as the speed of the object increases, the waves are forced together, or compressed