page_title: Sound barrier
hierarchical_section_title: Sound barrier
caption_attribution_description: English: Off the coast of Pusan, South Korea: An F/A-18C Hornet assigned to Strike Fighter Squadron One Five One (VFA-151) breaks the sound barrier in the skies over the Pacific Ocean. VFA-151 is deployed aboard USS Constellation (CVN 64). The image was an Astronomy Picture of the Day on August 19, 2007.
context_page_description: When an object comes closer to the speed of sound, air pressure changes drastically, and there will be pressure waves around the object. This pressure will rise until the speed of Mach 1 is reached. At this point, it will suddenly decrease, and a sound burst will result. The speed of Mach 1, where this burst happens, is often called sound barrier. Aircraft wings had to be redesigned, so that certain aircraft can fly at speeds faster than Mach 1.
context_section_description: When an object comes closer to the speed of sound (Mach 1), air pressure changes drastically, and there will be pressure waves around the object. This pressure will rise until the speed of Mach 1 is reached. At this point, it will suddenly decrease, and a sound burst will result. The speed of Mach 1, where this burst happens, is often called sound barrier. Aircraft wings had to be redesigned, so that certain aircraft can fly at speeds faster than Mach 1.
caption: An F/A 18 aircraft breaking the sound barrier.
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