Quasars Are Radio Sources That Look Like Stars in Visible-Light

question 38

True/False

Quasars are radio sources that look like stars in visible-light photographs.

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Definitions:

National Income

The total value of all goods and services produced by a country's economy over a specific period, usually measured annually.

Richest Tenth

The segment of a population that represents the highest 10% in terms of wealth or income.

Poorest Fifth

The segment of a population that falls within the lowest 20% in terms of income distribution.

Richest Half

The segment of a society that holds more than 50% of its wealth.