<p>A brief description of how we use the HR Diagram and the main sequence to measure the ages of stars in groups and clusters.</p>

A brief description of how we use the HR Diagram and the main sequence to measure the ages of stars in groups and clusters.

How do We Know the Ages of Stars?

Learn the basics of astronomy in one-to-two minute packets of concise information about specific topics. You are a busy person with a short attention span, and you want to learn about astronomical topics in a short amount of time. Your host Professor Ata is a PhD research astronomer and astrophysicist and a noted authority on stellar and galactic astronomy. I welcome your feedback at ata.sarajedini@gmail.com. See the web site astronomyminute.org for more. The podcast logo is courtesy of Zachary Greathouse and shows a globular cluster photo taken by the author with the Hubble Space Telescope.

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How do We Know the Ages of Stars?

How do We Know the Ages of Stars?