We have flying robots, too! Synchronized Position Hold, Engage, Reorient, Experimental Satellites (SPHERES) are bowling-ball sized spherical satellites. They are used inside the space station to test a set of well-defined instructions for spacecraft performing autonomous rendezvous and docking maneuvers. Three free-flying spheres fly within the cabin of the station, performing flight formations. Each satellite is self-contained with power, propulsion, computers and navigation equipment. The results are important for satellite servicing, vehicle assembly and formation flying spacecraft configurations. SPHERES also test a diverse range of hardware and software from scientist all over America. May the 4th Be With You!
Image Credit: NASA
#nasa #spacestation #space #iss#maythe4thbewithyou #happystarwarsday #science
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