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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.
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What does a H R Diagram compare?
The H-R diagram compares a star's surface temperature to its absolute brightness.
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 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 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.
When was Necronomicon - H. R. Giger - created?
Necronomicon - H. R. Giger - was created in 1977.
When was R. H. King Academy created?
R. H. King Academy was created in 1922.
When was R. H. Stearns Building created?
R. H. Stearns Building was created in 1909.
When was H. R. Stevens House created?
H. R. Stevens House was created in 1775.
What 2 things does a H R diagram graph?
Temperature, and brightness.
