Sonic boom

A sonic boom is created when an object travels faster than the speed of sound. When an airplane reaches the speed of sound, it makes a bang sound or an explosive noise. This is often called "breaking the sound barrier." The visible part of a sonic boom is actually air that becomes squashed by sound waves, which is known as a vapor cone. The thunder you hear when lightning strikes near enough, is also a sonic boom, caused by the lightning moving faster than the speed of sound, and making a sonic boom.^[1]^[2]

The first plane to fly at a level altitude above the speed of sound was the Bell X-1 in 1947 and was piloted by Chuck Yeager.

References

↑ Wragg, David W. (1973). A Dictionary of Aviation (first ed.). Osprey. p. 246. ISBN 9780850451634.
↑ "The Science of Thunder". Archived from the original on 2007-10-15. Retrieved 2008-06-17.

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[1] Wragg, David W. (1973). A Dictionary of Aviation (first ed.). Osprey. p. 246. ISBN 9780850451634.

[2] "The Science of Thunder". Archived from the original on 2007-10-15. Retrieved 2008-06-17.

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