Published 16:02 20 Dec 2023 GMT

An 8.5-year-long wobble means Earth's core and mantle are not aligned

It's known as the Inner Core Wobble (ICW)

Niamh Shackleton

Featured Image Credit: Getty Stock

Topics: News, Science, Space

Niamh Shackleton

Niamh Shackleton is an experienced journalist for UNILAD, specialising in topics including mental health and showbiz, as well as anything Henry Cavill and cat related. She has previously worked for OK! Magazine, Caters and Kennedy.

@niamhshackleton

An 8.5-year-long wobble means Earth's core and mantle are not aligned

It's known as the Inner Core Wobble (ICW)

An 8.5-year-long wobble means Earth's core and mantle are not aligned

It's known as the Inner Core Wobble (ICW)

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