MIT instrument studies edge of sun's bubble

The Voyager 1 and 2 spacecraft have traveled beyond the edges of the bubble in space where the sun's constant outward wind of particles and radiation slams into the interstellar medium that pervades our galaxy. The first scientific reports on what the Voyagers found there appears this week in the journal Nature.

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<p><a href="http://www.physorg.com/news134747707.html">MIT instrument studies edge of sun's bubble</a></p> <p>The Voyager 1 and 2 spacecraft have traveled beyond the edges of the bubble in space where the sun's constant outward wind of particles and radiation slams into the interstellar medium that pervades our galaxy. The first scientific reports on what the Voyagers found there appears this week in the journal <i>Nature.</i></p>