Telescope Pictures 6

[R. Dean]

[Ish]

Are the photos with contrails at high altitude/
Ish

On Sat, 02 Jun 2007 01:45:09 GMT, "R. Dean" > wrote:

[R. Dean]

Yes


"Ish" > wrote in message
...
> Are the photos with contrails at high altitude/
> Ish
>
> On Sat, 02 Jun 2007 01:45:09 GMT, "R. Dean" > wrote:
>
>

[Scubabix]

http://www.airspacemag.com/issues/2007/june-july/Flight_Lines.php

This is a link to an Air & Space Magazine article on contrails. It points
out the 2 main factors needed for contrails are a temperature below -38 deg
F and humidity around 100%.

Rob

[Ish]

On Sat, 2 Jun 2007 11:07:59 -0400, "Scubabix" >
wrote:

>http://www.airspacemag.com/issues/2007/june-july/Flight_Lines.php
>
>This is a link to an Air & Space Magazine article on contrails. It points
>out the 2 main factors needed for contrails are a temperature below -38 deg
>F and humidity around 100%.
>
>Rob
>
That was very good, thanks!