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VANDENBERG AIR FORCE BASE, Calif. - At Vandenberg Air Force Base in California, at left is the NASA's Interstellar Boundary Explorer, or IBEX, spacecraft. At right are the Star-27 kick motor and nozzle for IBEX “on top” and the adapter cone, part of the IBEX flight system, underneath. The IBEX is being prepared for a spin balance test. 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 m…
