| − | The '''Solar System''' includes the [[Sun]] and all the objects in orbit around the sun.<ref>Freedman, Kaufmann: ''Universe'', 7th edition</ref> Objects orbiting the sun include planets, moons, asteroids, and comets. | + | The Solar System consists of the Sun and the astronomical objects gravitationally bound in orbit around it, all of which formed from the collapse of a giant molecular cloud approximately 4.6 billion years ago. |