If Quasars Often Resemble Little Blue Stars, What Was It

question 22

Multiple Choice

If quasars often resemble little blue stars, what was it about them that so surprised astronomers when they were dis?covered?

• A) their surface temperatures were among the lowest measured
• B) they show absolutely no lines in the spectrum
• C) they all showed a blue-shift in their spectra
• D) they were all located in globular clusters
• E) their spectral lines were at first hard to recognize and then turned out to have large redshifts

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Definitions:

Pluralism

A condition or system in which multiple diverse groups coexist, participate, and contribute within a society, respecting each other's differences.

Segregation

The physical and legal separation of groups by race or ethnicity.

Public Facilities

Shared resources such as parks, libraries, transportation systems, and utilities that are available for use by the general population.

Southern States

The states located in the southeastern region of the United States, historically characterized by unique cultural, economic, and historical attributes.