For details on ESA Ministerial see https://t.co/Gnbf5DXlWI
Follow #ESACM16 https://t.co/zuhSz38liK— ESA (@esa) December 1, 2016
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Michigan Stargazer
Michigan Astronomy Observing
For details on ESA Ministerial see https://t.co/Gnbf5DXlWI
Follow #ESACM16 https://t.co/zuhSz38liK— ESA (@esa) December 1, 2016