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👉 Contrail clouds are formed when aircraft emit water vapor and carbon dioxide into the cold air. 👉 The clouds typically form at high altitudes, but can appear at low altitudes under unusual weather conditions. 👉 The duration of Contrail clouds depends on the relative humidity and wind speed. 👉 Contrail clouds are not always visible, as they require specific conditions to form.

@npub1l6z9...3ytw ✍️ Residents in Iran witnessed a rare phenomenon in the sky yesterday, with Contrail clouds forming at low altitudes due to increased temperature, pollution, and lack of wind. 👉 Contrail clouds are formed when aircraft emit water vapor and carbon dioxide into the cold air. 👉 The clouds typically form at high altitudes, but can appear at low altitudes under unusual weather conditions. 👉 The duration of Contrail clouds depends on the relative humidity and wind speed. 👉 Contrail clouds are not always visible, as they require specific conditions to form. #SadeghZiaeeian #Iran #environment