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Voyager

  • An artist's conception shows Voyager 1 encountering a stagnation region. To the left is interstellar space.
    Voyager 1 Speeds Toward The Brink Of Interstellar Space
    Bill Chappell
    The Voyager 1 spacecraft is 11 billion miles from the sun. And every minute, it gets 636 miles closer to its destination: the frontier of interstellar space. The craft is currently between what NASA calls "the solar wind from the Sun and the interstellar wind from death-explosions of other stars."