Why do Planes Leave White Streaks in the Sky?

The video explores the observation of cloud shapes and jet trails in the sky. It explains that jet trails, often mistaken for clouds, are formed from water vapor in jet exhaust. The video demonstrates how vapor from breath becomes visible in cold conditions, similar to jet trails. It discusses how temperature and engine type affect the visibility and duration of jet trails.

What new insight or understanding did you gain from this video?

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