Exam-style question
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What is the relationship between quasar luminosity and active galactic nuclei?.
- A.Quasar luminosity is independent of active galactic nuclei.
- B.Quasar luminosity is directly linked to the energy output of active galactic nuclei.
- C.Quasar luminosity decreases with distance from active galactic nuclei.
- D.Quasar luminosity is only observed in nearby galaxies.
Model answer
What a good answer should say
- Quasar luminosity is directly linked to the energy output of active galactic nuclei.
Explanation
Why this works
Quasars are extremely luminous objects powered by supermassive black holes at the centers of galaxies, which are classified as active galactic nuclei. The luminosity of a quasar indicates the amount of energy emitted, which is a direct result of the processes occurring in the active galactic nucleus.
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