Some Quasars Show Absorption Spectra with a Smaller Redshift Than

question 56

Multiple Choice

Some quasars show absorption spectra with a smaller redshift than their emission spectra. This indicates that

• A) they are much closer than previously thought.
• B) we still don't understand redshifts.
• C) there is cooler gas between us and the quasar.
• D) their black holes are still contracting.
• E) their black holes are still expanding.

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