Dark lines in an absorption spectrum represent:
a) particular energies of light coming from a distant object that areabsorbed by materialin between.
b) flaws in the telescopes and spectroscopes that astronomers use to measure spectra.
c) hotter regions in the object that is emitting the spectrum.
d) regions where light travels more slowly and is not able to reach us.
e) photons emitted when an electron jumps from a higher to a lower energy level.
Answer: a) particular energies of light coming from a distant object that areabsorbed by materialin between.
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