Star Systems and Types of Galaxies

We've learned a lot about stars! We know how they form, and we know that most of them exist in galaxies. But how are they arranged within galaxies? And are there different types of galaxies or are they all the same? There is a lot to discuss here, so let's expand our understanding of star systems and galaxy types!

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Видео Star Systems and Types of Galaxies канала Professor Dave Explains