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Listen to NASA’s Mars helicopter hum through the thin Martian air – KFOR Oklahoma City

First came the amazing pictures, then the video. Now NASA is sharing sounds of its little helicopter humming through the thin Martian air.

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CAPE CANAVERAL, Fla. (AP) First came the amazing pictures, then the video. Now NASA is sharing sounds of its little helicopter humming through the thin Martian air.
NASAs Jet Propulsion Laboratory in California released this first-ever audio Friday, just before Ingenuity was set to soar on its fifth test flight.
The low hum from the helicopter blades spinning at more than 2,500 revolutions per minute is barely audible. It almost sounds like a low-pitched, far-away mosquito or other flying insect.

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