The moons are the natural satellites of the planets that revolve around the sun. The moons revolve around the planets.
The comets revolve around the sun in very big elliptical orbits. It may take hundreds to thousands of years to complete one orbit.
The asteroids also revolve around the sun.
The dwarf planets are small planets that revolve around the sun at the outer edge of the solar system.
Thus the correct answer is option A, Moons
