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The H-R diagram compares a star's surface temperature to its absolute brightness.

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Vaughn Herzog

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An H-R diagram compares the brightness, or luminosity, of stars to their surface temperature or spectral type. This diagram helps astronomers classify stars and understand their evolutionary stages based on their position on the diagram.

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Q: What does a H R Diagram compare?
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What does an H-R diagram compare?

An H-R diagram compares the luminosity (brightness) of stars with their surface temperature. It helps classify stars based on their temperature and luminosity, allowing astronomers to study their characteristics and evolution.


What does a H-R Diagram compare?

A Hertzsprung-Russell (H-R) diagram compares the luminosity of stars to their surface temperature. It helps astronomers classify stars based on these characteristics, providing insight into their evolutionary stage and life cycle. The diagram is a valuable tool for studying stellar populations and understanding the overall distribution of stars in the universe.


Where would a black hole be located on an h-r diagram?

A black hole does not appear on an H-R diagram. An H-R diagram is a scatter plot of stars based on their luminosity and temperature. Black holes are objects with extreme gravitational forces, not visible light output.


What is the H R diagram?

The H-R diagram is a graphical tool used to classify stars according to color, temperature, spectral type, luminosity, and evolutionary stage. H-R stands for Hertzsprung-Russell.


What is h r diagram?

The H-R diagram is a graphical tool used to classify stars according to color, temperature, spectral type, luminosity, and evolutionary stage. H-R stands for Hertzsprung-Russell.


Who invented the H-R diagram?

Ejnar Hertzsprung and Henry Russell H for Hertzsprung and R for Russell


What does and H-R diagram relate a star's temperature to?

The Hertzsprung-Russell diagram (H-R diagram) shows the relationship between absolute magnitude, luminosity, classification, and effective temperature of stars. The diagram as originally conceived displayed the spectral type (effectively the surface temperature) of stars on the horizontal axis and the absolute magnitude (their intrinsic brightness) on the vertical axis.


What part of the H-R Diagram to you find the smallest star?

right


What 2 things does a H R diagram graph?

Temperature, and brightness.


What does h r diagram stand for?

The Hertzsprung-Russell (H-R) diagram is a plot of stars' luminosity versus their temperature (or color). This diagram is a valuable tool in understanding the life cycle and evolution of stars, as it allows astronomers to classify stars according to their size, mass, and stage of stellar evolution.


when was the H and R diagram created and how?

The Hertzsprung-Russell diagram, or H-R diagram, was created in 1911 by Ejnar Hertzsprung and Henry Norris Russell. They plotted the luminosity of stars against their surface temperature to classify and study stellar populations. This diagram revolutionized our understanding of stars and their life cycles.


Explain why giants are not in the main sequence of the H-R diagram?

Giants are not in the main sequence of the H-R diagram because they have evolved past the main sequence stage. Giants are stars that have exhausted their core hydrogen fuel and have expanded and cooled as a result. They occupy a different region on the H-R diagram known as the red giant branch or red supergiant branch.