Por Que os Aviões Deixam Rastros no Céu

Although airplane travel is commonplace today, these enormous steel birds are still shrouded in mystery and myth, raising many questions. Come on, it's time for more answers! Ever notice how on a cold day you see your own breath when you exhale? The same thing happens on an airplane. The temperature at 7,600 meters or higher, which is cruising altitude, is really low, around minus 34 degrees [-34º C]. Okay, but why are these contrails sometimes long and sometimes short? Other videos you might like: Why Don't Airplanes Fly Over the Pacific Ocean Why Don't Airplanes Fly Over the Pacific Ocean    • Por Que Os Aviões Não Sobrevoam O Oceano...   Why Don't Commercial Airplanes Fly Faster?    • Por Que Os Aviões Comerciais Não Voam Mais...   What If a Bird Flies Into an Airplane's Engine?    • E Se Um pássaro Entrar Voando Na Turbina ...   TIMESTAMPS: Why do airplanes leave white trails in the sky? 0:20 Why can't airplanes fly when it's extremely hot? 1:46 Can an airplane fly on one engine? 2:26 Airplane oxygen masks only hold 15 minutes of air? 3:05 What are those white spiral markings on airplane engines? 3:35 Is there a "safest" seat on an airplane? 4:03 Why are there black triangles inside an airplane cabin? 4:30 Why are airplane windows round? 5:05 Why does airplane food taste bad? 5:36 Is it possible to avoid turbulence? 6:04 Why do your ears pop during a flight? 6:41 Are airplane tray tables the dirtiest things on board? 7:17 What is the citizenship of a baby born on board? 7:47 Why are most airplanes white? 8:20 Why are there no parachutes on board? 8:53 #airplanes #aviation #incredible Subscribe to Incrível: https://goo.gl/ZHFt2x ---------------------------------------------------------------------------------------- Our Social Media: Instagram   / ideias.incriveis.oficial   Facebook:   / incrivelclub   IDEIAS INCRÍVEIS http://bit.ly/2WNlEcw ---------------------------------------------------------------------------------------- For more videos and articles, visit: http://incrivel.club Music by Epidemic Sound https://www.epidemicsound.com/ Stock image materials (photographs, videos, and more) https://www.depositphotos.com https://www.shutterstock.com https://www.eastnews.ru