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Old 06-13-2017, 02:19 PM   #4
xoxoxoBruce
The future is unwritten
 
Join Date: Oct 2002
Posts: 71,105
They don't say how high above the earth Steve is, but I suspect it happens in the Ionosphere like the Borealis which according to Wiki is, "from about 60 km (37 mi) to 1,000 km (620 mi) altitude".
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