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Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
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potato55 potato55
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6 years ago
The spectra of most stars are dark-line spectra because ________.
 
  A) elements in the Sun's outer atmosphere absorb in these dark-line bands, blocking the radiation in those bands
  B) electrons decaying to a lower energy state emit a photon at a fixed energy, leaving dark bands between the emissions
  C) elements in the Sun's outer atmosphere emit radiation between these dark bands
  D) elements in the earth's atmosphere absorb in these dark-line bands, blocking out the frequencies in the dark bands
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skalassskalass
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6 years ago
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potato55 Author
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6 years ago
This site is awesome
jayfo05
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Yesterday
You make an excellent tutor!
gma_of_7
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2 hours ago
Good timing, thanks!
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