Photo: Solar System Is "Bullet Shaped"

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A graphic depicts the solar system, encased in an envelope of charged particles (yellow), as it passes through the interstellar magnetic field of the Milky Way galaxy (brown lines). A new study using data from the far-flung Voyager spacecraft found that the solar system takes on a bulletlike shape as it passes through space.

Image courtesy Opher et al., 2007/Science

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