Praia das Maçãs, Portugal HFF
un lever de soleil
Heure bleue DxO 1080
Arromanches-les-Bains
River Leven at Dawn
Clear flight
Atardecer en Mutilva, 6
Passer le pont
Ballonfahrt
l'isola di Bergeggi
Les portes de camí de l'ànima
Le Beffroi Du coté de Bruges .
Ribamar, Portugal
Monte Gordo, Early morning mood.
Luftschiffe
Musée des Confluences a Lyon.
The ferry arrives - Seaford Bay - 27.6.2014 - post…
Sunset over Newhaven - Seaford Bay - 27.6.2014 b
le phénomène dans le ciel d'hier soir
HFF [EXPLORER]
Ulrich nous a quittés,,
Mont-Saint-Michel
Maui Sunrise with Road to Haleakala
Jardín en lugar de Melilla.(Espagne)
13.01.2025, 17:24
Tout à l'heure !
Citadelle de Melilla enclave Espagnole..
Red Track
Praia das Maçãs, Portugal
Kalida zur blauen Stunde
ce matin ciel bleu et mimosa - 2 degrés ,,,
5G0A7023
Balade au bord du Canal de Lille.
São Julião, Portugal HBM
Into the Sky
cielo
Momente,die man immer wieder gerne genießt :)) Mom…
La lune du 11 janvier 2025 .
Amanecer desde mi balcón
Trails in the Sky (+PiP)
Le 6 janvier, c'est une tradition :
The country road winds its way through a frosty mo…
Omaha Beach Visitors' Center
Clair-obscur hivernal
Algés, Portugal
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Contrails [EXPLORER]
![Contrails [EXPLORER]](https://cdn.ipernity.com/200/44/66/52754466.e1d99a11.640.jpg?r2 "Contrails [EXPLORER]")
Appelées trainées de condensation, elles se forment à haute altitude à la sortie des réacteurs si l'air environnant est suffisamment froid et humide. Elles sont liées à la condensation de la vapeur d'eau émise par les moteurs autour de noyaux de condensation présents dans les suies et les gaz de combustion.
Called condensation trails, they form at high altitude as the engines exit if the surrounding air is sufficiently cold and humid. They are caused by the condensation of water vapour emitted by the engines around condensation nuclei in the soot and combustion gases.
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