"Clues to the gas giant’s changing orbit come from the magnetic nanoparticles inside a meteorite’s parent body."(The meteorite is the 18 Jan 2000 Tagish Lake, British Columbia, fall. The article reports that the presence of aqueous-forming minerals, in particular the magnetite analyzed therein, points to the parent body's formation as a Kuiper Belt object.) The article can be viewed at https://physicstoday.scitation.org/do/10.1063/PT.6.1.20210914a/full/
Wil
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