Originally Posted by MissM

How many planes do you think are in the sky at any given moment? This video, taken from a satellite, shows air traffic across the globe over a 24-hour period that's been condensed down to 1:12. From space, it looks like a beehive of activity that flows from continent to continent, day to night.
http://www.enewsletterhome.com/_eNew...03/VIDEO_A.htm