Re: OT: Was this the Project Kevin Fetter Referred to?

From: Gavin Eadie (gavin@umich.edu)
Date: Fri Dec 07 2012 - 18:15:52 UTC

  • Next message: Henry Hallam: "Re: OT: Was this the Project Kevin Fetter Referred to?"

    We're talking a seriously long time here!
    
    I'd expect that long before the Sun gets nasty, enough of the material making up those satellites would have sublimed into space, compromising structural integrity and leaving smaller and smaller fragments to evaporating into vacuum.
    
    On Dec 7, 2012, at 12:43 AM, Jonathan W <tlj1899@gmail.com> wrote:
    
    > The author of the article below posits that geostationary satellites will
    > remain in their orbits indefinitely - until they are removed, or the Sun
    > becomes a red giant some 5 billion years from now, since there is
    > absolutely no atmospheric drag at the altitude of 22,300 miles.  But is
    > that really true?  Is there ABSOLUTELY *NO* atmospheric drag at that
    > altitude?  Even if there is barely measurable drag when measured over a
    > period of a few decades, the orbits wouldn't actually be permanent, when
    > considering timescales in the billions of years.
    > 
    > Jonathan
    > 
    > On Wed, Dec 5, 2012 at 10:22 AM, Young, Brad <Alan.Young@wpxenergy.com>wrote:
    > 
    >> http://www.weather.com/news/last-pictures-satellite-photos-record-20121203
    >> 
    >> Brad
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