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23 Nov 2019

Consider a dying star

A. Would a dying star have a larger or smaller proportion ofhydrogen relative to heavier elements as helium and carbon thanwould main sequence stars? Why?
B. Considering that it would have no source of internal energy toprovide the high tempertures and pressures required to support itagainst the force of gravity, which such a star be large or small?Why?
C. Assuming that the mass of a star has not changed much, would thestar's density be low or high? Why?
D. How might this density affect the apperance of the spectrum?Why?
E. In view of the size and lack of energy source for the star,would it have low or high luminosity? Why?

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