Destination Pluto: NASA begins a 10-year voyage

WASHINGTON – NASA's first mission to the solar system's last planet is now in a race against time.

Tuesday, the clock starts as the New Horizons spacecraft prepares to hurtle from its Florida launchpad on a 10-year, 3 billion-mile journey to where the roan world of Pluto tracks a frigid course through the borders of the solar system.

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