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The Carnegie Institution for Science, a research hub headquartered in America's capital, is asking for the public’s help to name five of Jupiter’s newly discovered moons.
Based on a suggestion from Johannes Kepler in October 1613, he also devised a naming scheme whereby each moon was named for a lover of the Greek mythological Zeus or his Roman equivalent, Jupiter.
leaves out Helen and her brothersTo say nothing of her sister? (For those who have forgotten: in one version of the story, Leda laid two eggs. One contained Helen and Polydeuces/Pollux; the other contained Clytemnestra and Castor. There are many other versions. The OCD devotes several paragraphs to the tangled mess.)
they renamed it into Lysithea, for some reasonI believe Demeter was one of the few females in classical mythology who escaped Zeus/Jupiter’s attention. (I would go look it up, but OCD is not on the nearest shelf, and the cat is in my lap.) Or was it because someone noticed that Demeter = Ceres, and the latter name had already been used?