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Contact: Susan Hendrix
susan.m.hendrix@nasa.gov
301-286-7745
NASA/Goddard Space Flight Center
Caption: Stars travel through the galaxy surrounded by a bubble of charged gas and magnetic fields, rounded at the front and trailing into a long tail behind. The bubble is called an astrosphere, or -- in the case of the one around our sun -- a heliosphere. This image shows a few examples of astrospheres that are very strong and therefore visible.
Credit: NASA/Goddard Space Flight Center
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Related news release: NASA's IBEX reveals a missing boundary at the edge of the solar system
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