SUMMARY: Scheduled for launch in 2006, the New Horizons mission will finally get a close up view of Pluto, the only planet never visited by spacecraft. On board the robotic spacecraft will be the Solar Wind Around Pluto (SWAP) instrument, which will measure the interactions between Pluto and the high-speed stream of particles flowing out from the Sun called the solar wind. Since it'll be so far from the Sun, SWAP will be largest aperture device ever built to measure the solar wind. It'll have lots of time to measure; the trip to Pluto will take 9 years.

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