reply to post by ModernAcademia
You can almost say kids studied them.
You mentioned this when talking about kids observing contrails.
With all due respect, kids also believe in the Easter bunny and Santa. Does it mean they are true?
And when I was a kid contrails did NOT last anywhere near as long as thicker ones last today.
When I was a kid, it would take forever for spring break to come, and it would last ages.
Today, my vacation is shorter - literally - but it seems to go past even faster. When you are a child, your time perception is not the same as when
you are an adult.
I'm not pocking your testimony or opinion, I just think that for science stuff we should have scientific attitudes.
I see tic tac toes in the sky sometimes, there were never any tic tac toes in the sky when I was a kid
First of all, those aren't "tic tac toes", they are contrails, and those make a visual clue of the flight route of an airplane.
The "sometimes" you refer about today, are provably due to the amount of traffic in a specific day. In some days you have more airplanes in the sky,
and in others you have fewer.
Everything plays a part in their route. Things like weather forecasts, microbursts warnings, fuel economy (which is a very important thing in today's
economy), traffic ahead, traffic on the runway, etc.
To those constantly changing factors, you also have to add the airspace charts that pilots use.
An aeronautical chart is a map designed to assist in navigation of aircraft, much as nautical charts do for watercraft, or a roadmap for drivers.
Using these charts and other tools, pilots are able to determine their position, safe altitude, best route to a destination, navigation aids along the
way, alternative landing areas in case of an in-flight emergency, and other useful information such as radio frequencies and airspace boundaries.
There are charts for all land masses on Earth, and long-distance charts for trans-oceanic travel.
Specific charts are used for each phase of a flight and may vary from a map of a particular airport facility to an overview of the instrument routes
covering an entire continent (e.g., global navigation charts), and many types in between.
For your consideration, those charts are the main reason for the patterns you see in the sky. They tell the pilots - especially jet-powered airliners
- which paths to follow to the airport, and which approach route they should take. Then they weight the changing factors like the weather, and plot a
route to their destination.
When I'm talking about this subject with any person who has the opinion chemtrails
exist, I usually tell them to think of this:
Instead of thinking about the air, airplanes and contrails, try to think of highways, cars and trucks.
If you take a road map - without the landscape - flip it and look at the sky through it, won't you visualize a clear pattern of cars flowing, causing
several types of pollution in the same place, over and over again?
That's what happens with airplanes. They follow the same paths, and leave contrails behind. The fact that they are not limited to physical paths makes
the routes somewhat unusual to someone unfamiliar with air-traffic protocols.
edit on 6-9-2012 by GarrusVasNormandy because: corrected