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VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, technicians help guide the Star-27 kick motor and nozzle for NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft. The motor/nozzle will be inserted in the adapter cone (bottom of the foreground). The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. As the solar wind from the sun flows out beyond Pluto, it collides with the material between the stars, forming a shock f…
