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English[en]
This structure is thought to look and behave very much like a comet's tail, extending outward for a further 40 AU on the upwind side but tailing many times that distance downwind; evidence from Cassini and Interstellar Boundary Explorer spacecraft has suggested that it is forced into a bubble shape by the constraining action of the interstellar magnetic field.
Chinese[zh]
這種結構被認為外觀和行為非常像彗星的彗尾,在迎風面可以向外延伸到40AU的距離,而在順風面可以延伸數倍於此的距離;來自卡西尼號和星際邊界探測器的證據,建議是受到星際磁場的約束作用,因而被迫形成氣泡的形狀。

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