As the wind carries this interplanetary magnetic field (IMF) away from the sun, the field lines typically stretch out so that they are directed radially (pointing toward or away from the sun).

 
  • 这种行星际磁场(IMF)的磁力线基本上都是往外拉的,也就是径向的(即不是指向,就是背向太阳的方向)。
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