Quote:
Originally Posted by Madman
It's those chinese lanterns you light a candle in and they let fly - when you can see then start to take off, the perspective makes way more sense.
Wow, I need to start taking drugs. 
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Hah nice, I've always wanted to do one of those, but they seem like a pretty big fire hazard.
But yeah, the problem with viewing things in the sky is there's no reference and our brain needs things to reference against, so it's really difficult to judge.