What is the difference between a moon and a planet?
Moons orbit planets..They are called satellites.
To be a planet IAU have made a definition.
1 It should orbit a star.
2 Should have enough mass to form spherical shape.
3 Clear its neighborhood of all materials
Sp there are 8 planets in solar system. Moon is a satellite of earth Other planets have also satellites.. .Total about 176 satellites in solar system.