Re: What Did I See?

From: Allen Thomson (
Date: Mon Jun 21 2010 - 19:38:28 UTC

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    > So just how low does a bird have to get before it starts
    > skimming the atmosphere and leaving a plasma trail. 
    > Can someone say? 
    Back in the day, some of my friends who observed ICBM reentry vehicles reentering used 300,000 feet as the beginning of "gas light." Say 90 - 100 km or so. 
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