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Summary of a talk from Wubbo Ockels on the subject of sustainability and solar energy. Wubbo Ockels was the first Dutch astronaut.
TonMeeuwissen27 May 2012
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Summary of a talk from Wubbo Ockels on the subject of sustainability and solar energy. Wubbo Ockels was the first Dutch astronaut.
TonMeeuwissen15 August 2013
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