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Recently I've found some strange rumors out there in the internet and it would be nice to hear what you think about that and is that true. It's not connected to the flight safety itself, but still I found it interesting topic:
1. Jet trails high in the sky left by planes is not hot air immediately cooled down, but instead it is some chemicals sprayed out by the planes. Is that true ? I always thought that this is just hot air being cooled down very fast. Something like clouds.
2. You receive big dose of x-ray when you're in 11 km height. This sound funny for me because 11 km is still under ozone layer, but still I've found some rumors saying that particular (very small) amount of flying hours can bring to you yearly dose of radiation. Is that true ?
You're the only one right person I know who can clarify things about aviation :)
1 It's hot air cooling
2 Not true
Sometimes I'm amazed how rumors can grow just without having any reason for it. Thanks for your solid word !
Darius, I really wouldn't be looking at all the scaremongering stuff on the internet. It really won't help you at all. Gain knowledge that is correct. Learn as much as you can about the flight