Novel use of #satnav saves precious water #space4earth https://t.co/2gW3nKfhUn pic.twitter.com/Olg1WvAhy5
— ESA (@esa) May 12, 2017
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Michigan Astronomy Observing
Novel use of #satnav saves precious water #space4earth https://t.co/2gW3nKfhUn pic.twitter.com/Olg1WvAhy5
— ESA (@esa) May 12, 2017