Episode

Astronomy Cast

Wizzard Media

Science & Medicine, Natural Sciences

Chart Positions

Natural Sciences 14
Science & Medicine 36

Astronomy Cast brings you a weekly fact-based journey through the cosmos.

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Ep. 217: Stellar Classification

January 24th, 2011

Episode 249 of 465 episodes

Have you ever heard an astronomer utter these words? Oh be a fine girl and kiss me. They’re not being romantic, they’re trying to remember the different ways to organize stars, as detailed nicely on a Hertzsprung–Russell diagram. Let’s learn what all those letters mean, and what differentiates a type O star from a type G.

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