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Hr Diagram Worksheet And Homework In Pdf

Name _______________________________________ Date ______________ Period _______ Worksheet: Stars and the H-R Diagram C O O R D I N A T E D S C I E N C E 1 Background: The Hertzsprung-Russell diagram is actually a graph that illustrates the relationship that exists between the average surface temperature of stars and their absolute magnitude, which is how bright they would appear to be if they were al the same distance away. Rather than speak of the brightness of stars, the term “luminosity” is often used. Luminosity is a measure of how much energy leaves a star in a certain period of time. Generally, for stars that are at equal distances from the Earth, the more luminous a star, the brighter it is. The luminosity of stars is affected not only be temperature but also by size. The most luminous stars are affected not only by temperature but also by size. The most luminousstars would be those that are large and hot. Those that are the least luminouswould be small and cool. The color of a star is determined by its surface temperature, which is illustrated on the

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