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Sharlinator t1_j62quod wrote

Reply to comment by Kenshkrix in Earth's inner core may be slowing down, but “Nothing cataclysmic is happening,” says Hrvoje Tkalcic, a geophysicist at Australian National University. “The inner core is now more in sync with the rest of the planet than a decade ago when it was spinning a bit faster.” by clayt6

You’d have to be gentle enough not to blast away too much of the core in the process. so I’d think many, many smaller bodies over a longer period of time could work better.

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