物体は、音速を超えた瞬間、まるで空気の壁をつきやぶったかのように、衝撃波が発生します。 それはソニックブームと呼ばれます。 そんな貴重な瞬間を集めた画像集です。 These are photos of aircraft that are all breaking the sound barrier. That is roughly 750mph which is picking them up and laying them down. They are also gorgeous images as these aircraft accomplish this amazing feat.