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Fundamentals Of Astronomy Part 8 - The Hertzsprung-Russell Diagram

Fellow stargazers - In this article, we will take a relatively “Deep Dive” into a fundamental tool of astrophysics.  This tool graphically represents the relationship between the luminosity (intrinsic brightness) of stars and their surface temperature (or spectral type) -The Hertzsprung-Russell Diagram.

It is named after Ejnar Hertzsprung and Henry Norris Russell, who independently developed versions of the diagram in the early 20th century.

I hope you find some value in it.

Remember, the universe is yours to explore; let’s explore it together.

-- Dave

 

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