Understanding the Universe: An Introduction to Astronomy, 2nd Edition Season 1 Episode 47 Star Clusters, Ages, and Remote Distances

October 19, 2023
30 min

Star clusters are gravitationally bound groups of stars that are all about the same age and the same distance from Earth. Astronomers can determine the approximate ages of clusters. This lecture also explains how the distance of extremely remote stars is found.

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Understanding the Universe: An Introduction to Astronomy, 2nd Edition, Season 1 Episode 47, 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.