News of the WeekAstronomy

First Glimpse of a Cosmic Funnel

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Science  29 Oct 1999:
Vol. 286, Issue 5441, pp. 887
DOI: 10.1126/science.286.5441.887b

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Astronomers have caught their first-ever glimpse of the funnel that channels a fountain of subatomic particles, erupting from the center of a galaxy, into a narrow stream thousands of light-years long. The radio images, published in the 28 October issue of Nature, hint that a sheath of twisted magnetic fields focuses the particle stream.