Hertzsprung-Russell Diagram

Welcome to the "Hertzsprung-Russell Diagram" category on Questions LLC! Here, you will find a wealth of knowledge about one of the most fundamental tools in astronomy; the Hertzsprung-Russell (H-R) Diagram. This diagram, named after astrophysicists Ejnar Hertzsprung and Henry Norris Russell, visualizes the relationship between a star's temperature (color) and luminosity (brightness). Whether you're a passionate amateur stargazer or a seasoned astronomer, this category is the perfect place to ask and explore questions about the Hertzsprung-Russell Diagram and deepen your understanding of the stars that light up our universe. So, come on in, ask away, and let's delve into the fascinating world of stellar evolution!