作品详情图

Airplane in an Air Show

This photo was taken at the Seafair Festival in Seattle. Every summer, an air show is held over Lake Washington. As the aircraft streaks across the sky, it trails a long white line behind it. This "contrail" forms when high-temperature gases ejected from the airplane's engines mix with water vapor in the surrounding air. The vapor condenses rapidly into tiny water droplets or ice crystals, which reflect and scatter sunlight, floating in the air and creating the characteristic airplane trail.

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