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PERSONNEL

Mailing address for all personnel:

NASA Glenn Research Center
21000 Brookpark Road
MS 301-2
Cleveland, OH 44135

Thermal Energy Conversion Branch

NASA Fact

Have you ever heard a sonic boom? When an airplane travels at a speed faster than sound, density waves of sound emitted by the plane accumulate in a cone behind the plane. When this shock wave passes, a listener hears a sonic boom. Large meteors and the Space Shuttle frequently produce audible sonic booms before they are slowed to below the speed of sound by the Earth's atmosphere.

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