How does the spectrum of a star depend on its surface temperature?

A. The cooler the star, the more molecular absorption bands will be present in its spectrum.
B. Hot stars and cool stars can both have weak hydrogen lines.
C. The hotter the star, the more colors will be present in its continuous spectrum.
D. All of these choices are correct.
E. None of these choices are correct.


Answer: D

Physics & Space Science

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