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Tuesday, December 3, 2013

Hertzsprung-russell Diagram

Hertzsprung-russell plat The Hertzsprung-Russell plat or, the H-R Diagram for short, is a graph which plots stars enclose to their temperature and absolute order of magnitude. This graph reveals a pattern, which in fact is strain of interesting. The H-R Diagram is named for the both astronomers, Ejnar Hertzsprung and Henry Russell, who discovered this pattern of stars. These 2 astronomers independently discovered that comparing magnitudes and spectral class (color) of stars yielded a lot of information about them. One key end of the H-R diagram is to show the relationship between temperature and absolute magnitude of stars.
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The type of temperature measurement used is Kelvin, where the zero point is match to -273.16 C. On the H-R Diagram, the temperature of degrees Kelvin ranges from 3,000 to 30,000. The absolute magnitude of stars on the H-R Diagram ranges from +15 to -10. Absolute magnitude is how bright stars would appear if they were positioned at 32.6 light years away from eart...If you want to get a full essay, order it on our website: OrderCustomPaper.com

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