Scientific American2d
Earth’s Mysterious Inner Core Is Changing Shape
Earth’s core is transforming, which could affect the length of our 24-hour day, Earth’s magnetic field, and more ...
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Are there any planets in the universe that aren't round?
That changes its shape. "There's a balance between the ... of gravity pulling the planet's mass toward its center. But a toroidal planet has never been observed, and it's not likely to be in ...
‘It’s almost science fiction’: Scientists say the shape of Earth’s inner core is changing
Researchers studying decades of earthquake data say they have found the first evidence that, in addition to spinning backward ...