quiz10 - Quiz 10 1)Since all stars begin their lives with...

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Quiz 10 1)Since all stars begin their lives with the same basic composition, what characteristic most determines how they will differ? * A)mass they are formed with B)time they are formed C)color they are formed with D)location where they are formed E)luminosity they are formed with 2)Which of the following statements about spectral types of stars is true? A)A star with spectral type F2 is hotter than a star with spectral type F3. B)The spectral type of a star can be used to determine its surface temperature. C)The spectral type of a star can be used to determine its color. D)A star with spectral type A is cooler than a star with spectral type B. * E)All of the above are true. 3)On a Hertzsprung-Russell diagram, where would we find stars that have the largest radii? A)upper left B) upper right * C)lower left D) lower right 4)You observe a star in the disk of the Milky Way, and you want to plot the star on an H-R diagram. You will need to determine all of the following, except the A)spectral type of the star. * B)rotation rate of the star.
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This document was uploaded on 01/19/2010.

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quiz10 - Quiz 10 1)Since all stars begin their lives with...

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