Ceres (dwarf planet)

German mathematician and physicist (1777–1855)

dwarf planet in the Solar System and largest asteroid of the main asteroid belt

Italian Catholic priest, mathematician and astronomer (1746–1826)

discredited hypothesis about Solar System planets' orbits

asteroid

hypothetical former Solar System planet

any of various hypothetical planets thought to have existed

Wikimedia list article

geologic structure and composition of Ceres

asteroid

asteroid