On Earth we call The Moon a moon, but if we were on The Moon what would we call the object we are orbiting around?
If I'm not being very clear I'm looking for a word that would describe what Earth to The Moon, Pluto to Charon, and Dactyl to Ida.
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$\begingroup$ Pluto and Charon is as bad an example as Ida and Dactyl is a good one! $\endgroup$– Camille GoudeseuneDec 9, 2020 at 4:23
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It's called its primary. Unless it is a double planet system where there is no primary.
answered Mar 26, 2015 at 23:45