Astronomy 1021 Study Guide - Balmer Series, Taake, Stellar Classification

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You should know: how to measure stellar luminosities, temperatures, and masses, reproduce (in order), describe and explain the spectral classification of stars, how to explain the relation between stellar masses and lifetimes, how to explain how you might measure the age of star clusters, how to understand star surveys and the distribution of stars, how to explain how energy is produced in the sun"s interior, how to describe how nuclear fusion works, and why it results in energy production. Astro 1021 chapter 6: the family of stars square law. The astronomer"s triangulation method: so a brighter star might have a higher luminosity, but it might just be, if you double the distance, the brightness will decrease by a factor of 4, if you increase the distance by a factor of 10, the brightness will decrease by a factor of 100 closer.

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