View Single Post
  #103 (permalink)  
Old 09-January-2008, 12:00 AM
PhantomWolf's Avatar
PhantomWolf PhantomWolf is offline
Senior Member
 
Join Date: Mar 2004
Location: Lost Deimos Moon Base
Posts: 5,651
Send a message via ICQ to PhantomWolf Send a message via AIM to PhantomWolf Send a message via MSN to PhantomWolf Send a message via Yahoo to PhantomWolf
Default

Quote:
Originally Posted by JayUtah View Post
anyway riddle me this, usually the contrails dissipate within minutes of the aircrafts passing yet these ones not only do not dissipate but spread.

Atmospheric conditions. Contrails will either dissipate or not depending on them. Atmospheric pressure and temperature vary with altitude, time, and weather zones.
I can generally tell by looking at the clouds that are around whether a contrail will persist or disapate. Most of the time I am right.
__________________
Howling from the Shadows

It must be fun to lead a life completely unburdened by reality. --- JayUtah

You can't reason an irrational person out of an irrational belief. --- Noclevername

Apollo: The History and the Hoax
Enter the World of Athran
Reply With Quote