Reference Terms
from Wikipedia, the free encyclopedia

Sonic boom

A sonic boom is the audible component of a shock wave in air.

The term is commonly used to refer to the air shocks caused by the supersonic flight of military aircraft or passenger transports such as Concorde (Mach 2.2, no longer flying) and the Space Shuttle (Mach 27).

Note:   The above text is excerpted from the Wikipedia article "Sonic boom", which has been released under the GNU Free Documentation License.
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