Most Active Galactic Nuclei Are Found at Large Distances from Us

question 113

Multiple Choice

Most active galactic nuclei are found at large distances from us, with relatively few nearby. What does this imply?

• A)Supermassive black holes existed only when the universe was young, and no longer exist today.
• B)Active galactic nuclei can form only at large distances from the Milky Way.
• C)The jets seen in many active galactic nuclei must cause them to move far away from us.
• D)Active galactic nuclei tend to become less active as they age.

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Consumption

The action of using goods and services to satisfy needs or wants.

Consumption

The act of using goods and services by households, which is a primary component in measuring gross domestic product (GDP) in economics.

Consumer's Surplus

The disparity between what consumers are prepared and can afford to spend on a product or service and the actual amount they end up paying.

Total Amount

The complete sum or quantity of something, encompassing all parts or units counted.