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originally posted by: CaDreamer
so your asking believers to pat you on the back not real critical thinking exercises... well what a waste of bits/bytes
originally posted by: CaDreamer
Do contrails sometimes persist and spread out?
Yes, see the Encyclopædia Britannica article on vapour trails (contrails):
Contrail, streamer of cloud sometimes observed behind an airplane flying in clear, cold, humid air. It forms upon condensation of the water vapour produced by the combustion of fuel in the airplane engines. When the ambient relative humidity is high, the resulting ice-crystal plume may last for several hours. The trail may be distorted by the winds, and sometimes it spreads outwards to form a layer of cirrus cloud.
vapour trail. (2007). In Encyclopædia Britannica.Retrieved May 4, 2007,from Encyclopædia Britannica Online:
originally posted by: searcherfortruth
a reply to: payt69
Because vapors that occur due to altitude evaporate if they are frosted air particles, something in a gaseous state would be the only thing that would be persistent. If someone wants to believe that "chemtrails" do not exist and can not offer proof, that is not different from those that do believe and don't have a way to convince others that they do.
Goof luck in your OP, I will not be returning because I know what comes next and quite frankly, I already have a digestion problem today.
originally posted by: Tucket
a reply to: payt69
All the believers have to go on are whistleblowers, right? Kinda hard to discuss that any further..
But, imo, many of the contrails up there are not just persisting and spreading, but are nucleating and constructing clouds.
We need particles to nucleate. This doesn't mean they're spraying, of course. But we get jet exhaust (no such thing as perfect combustion), combined with all the crap already up there from all the other types of air pollution, and voila. Persistent contrails.. or chemtrails
Having said that, I wouldnt be surprised at all if there were military ops involving dumping/spraying some kind of cocktail up there for god knows whatever nefarious reason..
whoops, did I say too much..