47
地核和地幔：一场持续了数十亿年的物质交换
source link: https://tech.sina.com.cn/d/n/2019-07-12/doc-ihytcerm3102048.shtml
Go to the source link to view the article. You can view the picture content, updated content and better typesetting reading experience. If the link is broken, please click the button below to view the snapshot at that time.
文章来源：原理（ID：principia1687）地球磁场会阻止来自太空（包括太阳在内）的有害高能粒子抵达地球，从而对地球起到保护作用，使地球成为了一个宜居的星球。地球的磁场来源于地球中心的核心。然而，对地核的研究是非常难以进行的，部分原因
Recommend
About Joyk
Aggregate valuable and interesting links.
Joyk means Joy of geeK