When a CME hits, the solar particles can interact with Earth's magnetic field to produce powerful electromagnetic fluctuations. (Related: "Magnetic-Shield Cracks Found; Big solar Storms Expected.")
当一批日冕物质抛射来临，太阳粒子可与地球的磁场相互作用形成强有力的电磁波动。
2
We on Earth have protection in the form of a magneticshield. But that shield is dead on Mars, gone for billions of years.
我们在地球上受磁场的保护，而火星上的磁场早就在亿万年就消失了。
3
Magneticshield is the difficulty of electromagnetic shield.