Earth's solid iron core formed a BILLION years ago and is still growing
![](https://i.dailymail.co.uk/i/pix/2015/10/08/14/2D3320BD00000578-0-image-a-87_1444310534484.jpg)
![](https://i.dailymail.co.uk/1s/2021/06/04/14/43832157-0-image-a-25_1622813423965.jpg)
Earth's solid-iron inner core has been growing faster on one side than the other
![](https://miro.medium.com/v2/resize:fit:804/1*fz9PWF3frcX0ly3nXoQizw.png)
Asal Usul Bahan Tambang di Muka Bumi, by HMT-ITB
![](https://c02.purpledshub.com/uploads/sites/41/2023/08/earths-core.jpg?w=1029&webp=1)
Something very weird is happening inside Earth's core
![](https://cdn.mos.cms.futurecdn.net/UYoQa2U6AQvHAyoxPZJ8PA.jpg)
How has Earth's core stayed as hot as the sun's surface for billions of years?
![](https://www.jsg.utexas.edu/news/files/ironinfographic.jpg)
Experiments Call Origin of Earth's Iron into Question, Jackson School of Geosciences
![](https://c02.purpledshub.com/uploads/sites/41/2023/08/earths-core.jpg)
Something very weird is happening inside Earth's core
![](https://cdn.mos.cms.futurecdn.net/rkrsK8NxMCbMR7HzJet7RK.jpg)
Earth's mysterious innermost core is a 400-mile-wide metallic ball
![](https://media-cldnry.s-nbcnews.com/image/upload/t_fit-1500w,f_auto,q_auto:best/streams/2013/October/131010/8C9344236-131010-driftphoto-hmed-1200p-files.jpg)
The past shows why Earth's magnetic field has weird shift today
![](https://i.dailymail.co.uk/i/pix/2015/10/08/23/2D369D6800000578-3265390-image-a-47_1444344481272.jpg)
Genes from Mota Cave skeleton supports the theory of a Eurasian migration into Africa
![](https://media-cldnry.s-nbcnews.com/image/upload/rockcms/2023-02/230224-earth-al-1051-fbb2f7.jpg)
Scientists discover core deep inside Earth — a solid ball of iron and nickel
![](https://c02.purpledshub.com/uploads/sites/41/2022/12/GettyImages182678088-f846d84.png)
How Earth's cooling molten core could destroy the planet - BBC Science Focus Magazine
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