Well, one obvious example is the space probe(rosetta) that use sensor to detect comet's surface and sent data back to earth: http://kdvr.com/2016/09/30/rosetta-

Well, one obvious example is the space probe(rosetta) that use sensor to detect comet's surface and sent data back to earth: http://kdvr.com/2016/09/30/rosetta-landing-comet-chasing-probe-makes-final-touchdown/ http://kdvr.com/2016/09/30/rosetta-landing-comet-chasing-pro...