Earth’s innermost layer is a 400-mile-wide ball of iron, new study suggests
Feb 22, 2023 ·
3m 16s
![Earth’s innermost layer is a 400-mile-wide ball of iron, new study suggests](https://d3wo5wojvuv7l.cloudfront.net/t_square_limited_480/images.spreaker.com/original/c20e703e502415b1a4e77f3add588bee.jpg)
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Author | Mr Phu |
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