Europe has 26 Galileo navigation satellites in orbit, blanketing the world in positioning signals, with another 12 planned for launch, variously taking shape or undergoing testing in facilities across our continent. Then there is one more satellite, operating as if it were in space but actually turned inside out on the ground, inside a laboratory within ESA’s technical heart.
Click here for original story, ESA’s other Galileo satellite: in action, on the ground
Source: ESA Space Engineering & Technology