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Condensation Trails

Santa Clarita Valley Outdoor Report: Contrails

Santa Clarita Valley Outdoor Report: Contrails

Six seconds into this YouTube clip of John Ford’s classic western, “Cheyenne Autumn”, you can hear the narrator identify the date as September 7, 1878.  Meanwhile, as the opening scene fades from darkness into view, you can see a vertical contrail hanging in the sky.  This creates a slight problem – because contrails are made by airplanes and airplanes didn’t ...

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