#ESATech image of the week: Europe's largest vacuum chamber, used to test spacecraft before they fly https://t.co/xH0t411E8S pic.twitter.com/Bpx261v1mT
— ESA Technology (@ESA_Tech) August 16, 2017
Michigan Stargazer
Michigan Astronomy Observing
#ESATech image of the week: Europe's largest vacuum chamber, used to test spacecraft before they fly https://t.co/xH0t411E8S pic.twitter.com/Bpx261v1mT
— ESA Technology (@ESA_Tech) August 16, 2017