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AaS! 254: How Do Variable Stars, You Know, Vary? artwork
Science & Medicine

AaS! 254: How Do Variable Stars, You Know, Vary?

Ask a Spaceman! by Paul M. Sutter

Aug 19, 202525:18Science & Medicine

What powers Cepheid variable stars? What about Mira variables and pulsating stars? And are there variable stars that don't actually vary at all? I discuss these questions and more in today's Ask a Spaceman! Support the s...

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AaS! 254: How Do Variable Stars, You Know, Vary? is an episode from Ask a Spaceman! by Paul M. Sutter. What powers Cepheid variable stars? What about Mira variables and pulsating stars? And are there variable stars that don't actually vary...

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Published Aug 19, 2025, 25:18 long, audio available.

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