Earth's core is a billion years old
Earth's core is a billion years old
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The solidification of the inner core may have strengthened Earth's magnetic field.
![](https://lh3.googleusercontent.com/blogger_img_proxy/AEn0k_vxG0Lf6d4dCPvFpladgN5WgOMRVVyZ4LQU8gLYp6WjQV3DECFvlh05wpqJGhiAKr38sE-wF-qgBW7gW0IkYxvbtas5xKPYTZ7UnLM79rH-4mZJkmBTnub0b6Ws4y9o=s0-d)
August 30, 2020 at 05:52PM
via Space.com read more...
By
The solidification of the inner core may have strengthened Earth's magnetic field.
August 30, 2020 at 05:52PM
via Space.com read more...
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