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Tag Archives: Cruithne

Cruithne, Earths Second Moon?

cruithne

Cruithne (CREW-een-ya) is an asteroid with a bizarre orbit. when viewed from an Earth frame of reference (Stationary Earth). It describes a series of bean shapes. Over the course of 770 years the series completes a horseshoe-shaped movement, with the Earth in the gap of the horseshoe. It approaches the ...

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