Most Active Galactic Nuclei Are Powered By

question 39

Multiple Choice

Most active galactic nuclei are powered by:

• A)supermassive black holes.
• B)a large number of supernovae.
• C)mergers of compact objects.
• D)black hole mergers.
• E)extra-terrestrial civilizations.

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Definitions:

Alice Paul

An influential American suffragist and activist who played a pivotal role in the women's suffrage movement, leading to the passage of the 19th Amendment.

Wilson Administration

Refers to the presidency of Woodrow Wilson in the United States from 1913 to 1921, noted for its domestic reforms and leadership during World War I.

American Expeditionary Force

The formation of U.S. military personnel sent to Europe during World War I to fight alongside the Allies against the Central Powers.

Western Front

A major theater of battle during World War I, stretching across Belgium and France, characterized by trench warfare and significant casualties.