Testing the solar cells of our upcoming #exoplanet mission, Cheops : @ESAscience image of the week https://t.co/U5hdMZMyLB pic.twitter.com/1ZbiLdpW8t
— ESA (@esa) January 30, 2017
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Testing the solar cells of our upcoming #exoplanet mission, Cheops : @ESAscience image of the week https://t.co/U5hdMZMyLB pic.twitter.com/1ZbiLdpW8t
— ESA (@esa) January 30, 2017