I noticed that when an airplane is landing, the end of the wing emits a smoke like the one here: 
.
What is that?
Asked
Active
Viewed 169 times
0
SMS von der Tann
- 11,974
- 10
- 68
- 118
M.M
- 109
- 1
-
It's a vapor trail. See also http://aviation.stackexchange.com/questions/14539/what-causes-a-planes-wing-tips-to-leave-a-small-white-vapor-trail?s=2|1.0543 – Philippe Leybaert Aug 17 '16 at 01:34
-
Yep, it's the wing tip vortex. – user3344003 Aug 17 '16 at 01:56