'Prince Harry becomes the first member of the British royal family to fly in space.' —Arthur C. Clarke
- gwern estimated 1% on 2010-10-26
- gwern said “http://www.arthurcclarke.net/?scifi=3” on 2010-10-26
- kallman estimated 10% and said “Virgin Galactic is well on its way. Timescale is iffy, but of the royal family he seems likely.” on 2010-11-22
- gwern judged this prediction wrong on 2014-01-02.
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