original: It is the largest known non-spherical moon in the solar system.
simplifications: It is the largest non-spherical shaped moon in the solar system. It's the largest non-spherical moon in the solar system. It is the largest non-spherical moon in the solar system It is the largest known moon in the solar system that is not a sphere. It is the biggest non-round moon in the solar system that we know of. It is the largest known non-spherical moon in the solar system. It is the largest, non-round moon in the solar system. It is the largest non-spherical moon that is known in the solar system. It is the solar system's largest known non-spherical moon. It is the biggest non-spherical moon in the solar system.