Kafteinn
Žrišjudagurinn 11. mars 2008 kl. 21:25
Flokkur: Spjaldiš
nei, greinilega ekki..
"Contrails form when hot humid air from jet exhaust mixes with environmental air of low vapor pressure and low temperature."
"Contrails form when hot humid air from jet exhaust mixes with environmental air of low vapor pressure and low temperature."
Vesen 2009

