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Dark matter in clusters of galaxies
Black Americans
A racial or ethnic group in the United States with African ancestry, known for its rich cultural heritage and history of civil rights struggle.
U.S. Poverty Rate
The proportion of the population living in households with income below the official poverty threshold as defined by the United States government.
Great Recession
A period of global economic downturn that took place roughly from 2007 to 2009, marked by high unemployment, falling housing prices, and severe financial stress.
Poverty Rate
The Poverty Rate is the percentage of the population that lives below the poverty line, indicating the level of poverty within a country or region.
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