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Lesson 8 Lab _the _h-r_ diagram

Lesson 8 Lab _the _h-r_ diagram

Q Work through the background sections on Spectral Classification, Luminosity, and the Hertzsprung-Russell Diagram: http://astro.unl.edu/naap/hr/hr_background3.html Then complete the following questions related to the background information. Question 1: (1 points) The table below summarizes the relationship between spectral type, temperature, and color for stars. Note that the surface temperature of the stars in the table increases.

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Star Surface Temperature K Spectral Type Color Betelgeuse 3530 M2 orange Arcturus 4,300 K5 yellow