Summary | The motion of liquid iron deep inside the planet'
core generates the field.The planet itself formed around the
same time as the Earth, just over 4.5 billion years ago."It's
just been waiting to tell us its story."| People's Daily Online
| China.org.cn| CNTV | China.| Global Times | Ecns.cn | China
Youth International | Visit Beijing | Taiwan.cn| Women of China ...
core generates the field.The planet itself formed around the
same time as the Earth, just over 4.5 billion years ago."It's
just been waiting to tell us its story."| People's Daily Online
| China.org.cn| CNTV | China.| Global Times | Ecns.cn | China
Youth International | Visit Beijing | Taiwan.cn| Women of China ...
en.ce.cn | 22 November 2015