NASA: Voyager 1 nearing edge of solar system

This artist's rendering shows one of NASA's twin Voyager spacecraft in this undated file photo. As of Wednesday, Nov. 5, 2003, Voyager, which was sent to explore the giant outer planets in our solar system in 1977, was 8.4 billion miles from the sun. As the robotic spacecraft continues to push far beyond the reach of the nine planets, two teams of scientists disagree whether it passed into the uncharted region of space where the sun's sphere of influence begins to wane and the solar system comes to an end. (AP/NASA)

December 14, 2010 8:16:11 AM PST
NASA's long-running Voyager 1 spacecraft is barreling its way toward the edge of the solar system.

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