Asteroid Ceres is a former ocean world that slowly formed into a giant, murky icy orb Phys.orgLargest asteroid in our solar system used to be an ocean planet Earth.comCeres is Former Ocean World, Planetary Scientists Say Sci.NewsCeres, largest object in asteroid belt, shows signs of habitability near Ertunet Crater WIONShort-lived organics on Ceres hint at a past ocean — and conditions ripe for life Astronomy Magazine