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doit_the_clown doit_the_clown
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7 years ago
31.   Electron transitions between different orbits or energy levels in atoms in the outer layers of stars produce

(a)   emission or absorption lines at specific wavelengths.
(b)   a continuous spectrum consisting of light from all such transitions.
(c)   sudden bursts of light, visible as changes in the brightness of a star.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
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Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Albert Einstein
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papachulopapachulo
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