"Sara Mazrouei, a planetary scientist and educational developer at Humber Polytechnic, says that while we tend to think of a spherical shape when we hear the wo

"Sara Mazrouei, a planetary scientist and educational developer at Humber Polytechnic, says that while we tend to think of a spherical shape when we hear the word moon, anything that orbits a planet, or another body in space that is not a sun, is considered a moon. " By that definition nothing beats earth with all the satellites and space junk. So, something is wrong (either the definition, the quote is missing "natural", or picking Saturn as extraordinary).