If a Seyfert Galaxy's Nucleus Varies in Brightness on the Timescale

question 37

Multiple Choice

If a Seyfert galaxy's nucleus varies in brightness on the timescale of 10 hours,then approximately what is the size of the emitting region?

• A) 20 AU
• B) 70 AU
• C) 90 AU
• D) 140 AU

---

Definitions:

Demand For Land

The desire for ownership or use of land, driven by various factors including its potential for development, agricultural use, or investment.

Economists Oppose

Typically involves economists expressing disagreement with certain policies or practices due to predicted negative economic impacts.

Usury Laws

Regulations put in place to limit the interest rate that can be charged on a loan, intended to protect consumers from excessively high rates.

Interest Rate Ceilings

Interest rate ceilings are regulatory measures to limit the maximum interest rate that can be charged on loans and credit products to protect consumers.