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How did Harlow Shapley determine where the center of the galaxy lies
Liberty
The state of being free within society from oppressive restrictions imposed by authority on one's way of life, behavior, or political views.
Oligarchical Regime
is a form of government in which power rests with a small number of people distinguished by royalty, wealth, family ties, education, corporate, or military control.
Republic
A form of government in which power resides in elected individuals representing the citizen body and government leaders exercise power according to the rule of law.
Elite Theory
A theory in political science and sociology which posits that a small minority, consisting of members of the economic elite and policy-planning networks, holds the most power—and that this power is independent of a state's democratic elections process.
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