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The spectrum of the Sun shows a series of dark absorption lines of hydrogen, superimposed upon a ...

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The spectrum of the Sun shows a series of dark absorption lines of hydrogen, superimposed upon a ...

The spectrum of the Sun shows a series of dark absorption lines of hydrogen, superimposed upon a continuous spectrum of light. What conclusion can be drawn from this observation?

(a)   Cooler hydrogen gas must overlie the hot solar surface to produce absorption lines.
(b)   The hot solar surface must be covered with a layer of hotter hydrogen gas to produce absorption lines.
(c)   A cool layer of hydrogen gas producing absorption lines must be covered by a dense and hotter layer that produces the continuum spectrum.

Textbook

Discovering the Universe

Edition: 7^th

Authors: Kaufmann, Comins

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staedtler Author

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