A commercial passenger jet photographed from below against a partly cloudy blue sky, with concentric circle graphics overlaid to illustrate sound wave or noise propagation emanating from the aircraft. No visible text, logos, or date information are present in the image.Open full document
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A commercial passenger jet photographed from below against a partly cloudy blue sky, with concentric circle graphics overlaid to illustrate sound wave or noise propagation emanating from the aircraft. No visible text, logos, or date information are present in the image.
