Topband: Chasing Shaclelton

[Bruce]

Why did so many polar expeditions take place in periods of high solar activity ?
Did they believe that sun spots would result in higher earth polar temperatures?
They found quite the reverse was true.  


Chasing Shackelton premieres today (tonight in NA) on PBS-TV. Check your local listings for time and station.
http://www.pbs.org/program/chasing-shackleton/

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Bruce-K1FZ