[https://www-livescience-com.cdn.ampproject.org/v/s/www.livescience.com/amp/earth-tipped-on-side-and-back-again?amp_gsa=1&_js_v=a6&usqp=mq331AQIKAGwASCAAgM%3D#amp_tf=From%20%251%24s&aoh=16352668623710&csi=0&referrer=https%3A%2F%2Fwww.google.com&share=ht] -
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public:
mzimmerm
Nice description of how rotation axis of earth shifts around inner core.
