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Whats the difference between a solar system and a galaxy?

April 26, 2017Galaxy solar system

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Whats the difference between a solar system and a galaxy?

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The difference between a solar system and a galaxy is scale. A solar system is a tiny part of a galaxy. Galaxies are star systems made up of hundreds of thousands or even billions of stars in addition to gas and dust. A solar system is a group of planets and other objects (comets, asteroids, etc.) in orbit around a star. We call our star the Sun. Our solar system is located inside the Milky Way Galaxy. There are billions of galaxies and countless stars in the universe. The Cosmic Distance Scale helps put it all in perspective.