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• n  the region inside the heliopause containing the sun and solar system

• But even now the spacecraft's instruments show no decline in the heliosphere's strength, only what seems to be a swelling and contraction connected with cycles of solar activity.
• It may even be able to detect the unknown limits of the heliosphere, the region in space influenced by the sun's gases and magnetic field, and chart the fringes of interstellar .
• Not far beyond Jupiter, scientists had expected Pioneer to find the boundary of the heliosphere, beyond which the solar wind (charged particles emitted from the sun) can no longer .

News & Articles

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• Space News: Voyager 1 approaches interstellar space
    Data from Voyager 1, now more than 11 billion miles from the sun, suggest the spacecraft is closer to becoming the first human-made object to reach interstellar space. Research using Voyager 1 data and published in the journal Science June 27 provides new detail on the last region the spacecraft will cross before it leaves the heliosphere, or the bubble around our sun, and enters interstellar ...
  June 30, 2013 - Lake County News
• NASA: Voyager 1 Could Reach Interstellar Space in Months
  Is the world's longest-running game of "are we there yet?" nearly over? NASA scientists report Voyager 1 may be mere months from passing outside of the heliosphere.
  June 29, 2013 - PC Magazine
• Voyager 1: At the edge of our 'solar bubble'
  KRISTEN BUTLER, UPI.com Voyager 1 is at the edge of our "solar bubble," the final heliosphere frontier before interstellar space.
  June 28, 2013 - UPI

Quotes

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• Ed Stone in Newswise (press release)
  The solar wind creates a bubble (the heliosphere) around the sun, and near the edges of the bubble is a place where the solar wind piles up as it encounters the interstellar wind,says Ed Stone, Voyager project chief scientist and professor of...