Examlex
Hubble originally estimated the "Hubble constant" to be about 500 km/s/Mpc.What age of the universe would such a number imply?
Black Voters
African American individuals who are eligible to participate in elections, playing a significant role in shaping political outcomes and advocating for civil rights.
Economic Prosperity
A period or condition in which an economy or region experiences growth in wealth, job creation, and an overall improvement in living standards.
Plessy v. Ferguson
A landmark 1896 U.S. Supreme Court decision that upheld racial segregation laws for public facilities under the doctrine of "separate but equal."
Segregating Railroad Cars
Refers to the historical practice, particularly in the United States, of separating passengers on trains based on race, which was a common form of institutionalized racial segregation.
Q24: You measure the heavy element abundances and
Q32: The most distant galaxy observable with the
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Q49: The dominant mechanism by which high-mass stars
Q55: Most of the stars near the Sun
Q59: The Virgo Cluster is at an estimated
Q75: In the figure below, an observer in
Q91: What type of galaxy is shown in
Q94: In the CNO cycle, carbon is used
Q97: Dark matter constitutes _ of the mass