The Surprising Observational Fact About Quasars Is That They Appear

question 65

Multiple Choice

The surprising observational fact about quasars is that they appear to

• A) produce the energy output of greater than 100 galaxies in a volume similar to that of the solar system.
• B) be the largest known structures in the universe, although they produce only modest amounts of energy.
• C) be associated with ancient supernova explosions.
• D) be moving rapidly toward Earth while emitting large amounts of energy.

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Definitions:

Alger Hiss

An American government official accused in 1948 of being a Soviet spy and convicted of perjury in connection with this charge, his case became a cause célèbre of the early Cold War.

Perjury

The intentional act of swearing a false oath or lying under oath during legal proceedings.

New Deal

A series of programs, public work projects, financial reforms, and regulations enacted by President Franklin D. Roosevelt in the United States during the 1930s to help the country recover from the Great Depression.

Post-War Boom

A period of strong economic growth and prosperity in the aftermath of a major conflict, notably after World War II.