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Solar System Our solar system is basically a huge neighborhood in the Milky Way galaxy where everything orbits around the Sun. There are eight planets, and they’re split into two groups: the inner rocky ones like Earth and the massive gas giants like Jupiter. Gravity is the “glue” holding everything together, from the tiny asteroids in the belt to…

The solar system is a gravitationally bound system comprising the Sun—a G2V-type star—and all celestial objects that orbit it, formed approximately 4.6 billion years ago from a massive, collapsing interstellar gas and dust cloud. Located in the Milky Way galaxy’s Orion-Cygnus Arm, it contains eight recognized planets divided into four inner rocky terrestrial worlds (Mercury,…