两点问题：太阳的微波辐射强度非常弱；更关键的是，影响微波辐射的并不是地球磁场！
Two problems: The sun is a very weak emitter of microwaves, and worse, microwaves are not affected by magnetic fields!
因此，当地球靠近这段轨道时，从辐射点落下的碎片就形成了英仙座流星雨。
Therefore, when Earth crosses this orbit, the radiant point of falling debris appears in Perseus.
当地球从远日点运动到近日点时，地球辐射带向内收缩。
W hen the Earth moves from perihelion to aphelion, its radiation belts are expansion, and aphelion to perihelion contraction.
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