I'm no airplane whiz in any way, but maybe that's a contrail being made, and it starts and stops because the plane could be flying through high/low
pressure areas, or maybe it's flying through air pockets. Also, why is this in Religion, Faith, and Theology?
edit on 8-3-2011 by TupacShakur
because: (no reason given)
This content community relies on user-generated content from our member contributors. The opinions of our members are not those of site ownership who maintains strict editorial agnosticism and simply provides a collaborative venue for free expression.