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CRONS

Though the biggest moon of Nienna, Crons, it defies expectations by going the wrong way around its planet! Initially this peculiar feature of the moon hadn't been realized, until an intern, looking back at the pictures that had been sent from the Sprite II mission, came to the conclusion every single scientist had been looking at the pictures upside-down. This moon is also geologically active, with volcanos of water spewing fumes into its thin atmosphere.