Understanding the Universe: An Introduction to Astronomy, 2nd Edition Season 1 Episode 68 Structure of the Milky Way Galaxy

October 19, 2023
30 min

How do you map the structure of a galaxy when you live inside it? Astronomers have used various clues to infer the spiral structure of the Milky Way, the orbital speed of its stars, and the existence of a supermassive black hole at its center.

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Understanding the Universe: An Introduction to Astronomy, 2nd Edition, Season 1 Episode 68, is available to watch and stream on The Great Courses. You can also buy, rent Understanding the Universe: An Introduction to Astronomy, 2nd Edition on demand at Apple TV Channels, Prime Video, Amazon online.