[TigersEye]

...he’d learn about perspective, and he’d realize a horizontal line, that is coming directly toward you, will look vertical.

And then just stop out in front of you with no continuing contrail. /s

[RobRoy]

>>And then just stop out in front of you with no continuing contrail. <<

You have got to be kidding me. Have you never seen a contrail that resembles a dashed line, because the plane keeps going in and out of different conditions? I’ve seen lots of planes that leave a contrail, then stop, then start again after a mile or so, then stop again, etc.

In fact, that is what I saw in one of the stills from late in the video of this plane.