Relive #OpenESTEC at @ESA_tech centre ESTEC on 8 October – see you next year? https://t.co/p39tr7UFaR
— ESA (@esa) October 24, 2017
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Michigan Stargazer
Michigan Astronomy Observing
Relive #OpenESTEC at @ESA_tech centre ESTEC on 8 October – see you next year? https://t.co/p39tr7UFaR
— ESA (@esa) October 24, 2017