Earth's core is growing lopsidedly, a new study suggests - and it's been doing that for at least half a billion years

An illustration of Earth's core.
Getty
Earth's inner core is lopsided: One side grows faster than the other, a new study says.
In the core's eastern half, located under Indonesia, 60% more iron crystals form than on the other side.
This asymmetrical growth may affect Earth's magnetic field.
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Think of the Earth like a geological tootsie pop.If you were to peer more than 3,000 miles below your feet into the planet's center, you'd see a dense, solid ball