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BOOM! What was the earth-shaking, jolt-you-awake, set-off-the-car-alarm sound? Oh right, a rocket launch. But why are some rocket launches accompanied by sonic booms and others aren’t? Either way, ...

Rocket engine noise can burst eardrums, break windows and rattle walls. It’s a major reason why launch facilities are miles from populated areas. But such thunderous roars also can damage the very ...

NASA's massive water deluge system, releasing nearly 450,000 gallons, is crucial for rocket launches. This powerful spray ...