UM-Bot Posted June 1, 2017 #1 Share Posted June 1, 2017 Where exactly is the point at which the Earth's atmosphere ends and space begins ? Link to comment Share on other sites More sharing options...
Gary Meadows Posted June 2, 2017 #2 Share Posted June 2, 2017 Interesting, but I thought the topic would be about where the unknown blackness we float in begins. Makes your brain hurt. Link to comment Share on other sites More sharing options...
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