The Supermassive Black Hole Candidate in the Center of the Galaxy

question 110

Multiple Choice

The supermassive black hole candidate in the center of the galaxy NGC 4261 is estimated to have a mass of 1.2 * 10⁹ M_Sun. What is the Schwarzschild radius of this black hole?

• A) 1.6* 10⁹ meters, a little larger than the Sun
• B) 24 au, a little larger than Jupiter's orbit
• C) 0.95 pc, more than half the distance to the nearest star
• D) 1600 pc, about one-tenth of the way across the Milky Way Galaxy

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Definitions:

Economic Profit

The gap between total income and all expenses, covering both explicit and hidden costs.

Mutual Fund

A type of investment vehicle that pools money from many investors to purchase a diversified portfolio of stocks, bonds, or other securities.

Either-Or Decision

An either-or decision refers to a choice between two mutually exclusive options, where selecting one means forgoing the other.

Accounting Profit

The net income for a company calculated by subtracting total expenses from total revenues.