Multiple Choice
Why do stars have dark lines in their spectra?
A) The cooler atoms in their surface layers absorb the radiation at some wavelengths.
B) They simply don't emit light at certain wavelengths.
C) Magnetic fields in Earth's atmosphere absorb the radiation at some wavelengths.
D) The statement is false. Stars have bright emission lines in their spectra, but no absorption lines.
Correct Answer:
Verified
Correct Answer:
Verified
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