You Observe a Quasar That Varies in Brightness Over a Period

question 95

Multiple Choice

You observe a quasar that varies in brightness over a period of 50 days as shown in the figure below. Using these data, estimate the size of the AGN region in AU.

• A) 20 AU
• B) 100 AU
• C) 500 AU
• D) 3,500 AU
• E) 10,000 AU

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