Facts about Galaxies

The video provides an overview of galaxies, starting with the Milky Way's orbit around the sun. It explains that galaxies are collections of solar systems orbiting a central gravitational source. The Milky Way contains around 300 billion stars and is a spiral galaxy. Other galaxy types include barred spiral, elliptical, and irregular galaxies, often formed by merging. The video concludes with a recap of these facts.

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