Apr 29
Burning fuel produces mainly CO2 and water (steam) …
out of the reactor, the exhaust gases are mixed with ambient air, which is very cold at high altitude.
Water vapor condenses almost immediately into water droplets or ice crystals.
If the air is dry, the streaks disappear quickly. If the air is already heavily loaded in moisture, they last longer.
Now you know!! 
Leave a Reply
All his life he has looked away... to the horizon, to the sky,
to the future. Never his mind on where he was, on what he was doing.
-- Yoda
to the future. Never his mind on where he was, on what he was doing.
-- Yoda
Recent Comments