Complex sentence: These objects all have a spherical shape due to the forces of their own gravity (hydrostatic equilibrium) and their sizes range from dwarf planets and moons to the planets and the sun. It does not include any small Solar System bodies.
Split into simpler sentences: These objects all have a spherical shape due to the forces of their own gravity (hydrostatic equilibrium). These range in size from dwarf planets and moons to the planets and the sun. It does not include any small Solar System bodies.