大型日冕物质抛射如直接冲击地球将会造成大破坏，产生出的强大地磁风暴有可能会扰乱gps信号，广播通讯和电网。
Big CMEs that hit Earth squarely can wreak havoc , spawning powerful geomagnetic storms with the potential to disrupt GPS signals , radio communications and power grids .
地磁风暴