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VANDENBERG AIR FORCE BASE, Calif. – At Vandenberg Air Force Base in California, technicians check the base of NASA's Interstellar Boundary Explorer, or IBEX, mission spacecraft as it is lifted off its shipping stand. The spacecraft will be moved to a nearby mobile stand. 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 front. IBEX contains …
