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quiz stellar spectra

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q 1 - 2: Name the two neutral elements found in the spectrum for Star X. (Use symbols or full element names.) Star X Spectrum

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q 3: Based on your answer to Q.1, what is Star Xs spectral class? a)O b)B c)A d)F e)K Star X Spectrum

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q 4: What color is Star X? a)Blue b)Blue-White c)White d)Yellow-White e)Orange Star X Spectrum

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q 5 - 6: Name the two neutral elements found in the spectrum for Star Y. (Use symbols or full element names.) Star Y Spectrum

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q 7: Based on your answer to Q.5-6, what is Star Ys spectral class? a)O b)B c)A d)F e)K Star Y Spectrum

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q 8: What color is Star Y? a)Blue b)Blue-White c)White d)Yellow-White e)Orange Star Y Spectrum

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Star W q 9: Star W contains the 3 ionic spectra indicated. Its spectral class is: a)O b)B c)A d)F e)K Star W Spectrum

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Star Z q 10 - 11: Star Z is a spectral class F star, as indicated by its neutral H and Na lines. However, something odd has happened to Star Zs spectral lines. 10.What do we call this repositioning? 11.What does it tell us about Star Zs movement? Star Z Spectrum

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q 12: Briefly describe the stellar activity that causes the peculiar behavior of the spectra for star #9: Hint

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q 13: Which of the spectra at the right is an emission spectrum? A B C D

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q 14: Which stellar situation would create the spectrum shown on the next page? A B D C Large Planet Orbits Star Binary Pair Cepheid Variable

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q 14: Which stellar situation would create the spectrum shown below? A B D C Large Planet Orbits Star Binary Pair Cepheid Variable

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q 15: Which stellar situation would create the spectrum shown below? A B D C Large Planet Orbits Star Binary Pair Cepheid Variable