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1 day ago · Arthur W. Radford. Arthur W illiam Radford, född den 27 februari 1896 i Chicago, Illinois, död den 17 augusti 1973 ( Bethesda, Maryland, var en amerikansk fyrstjärnig amiral i USA:s flotta. Radford var militärbefälhavare för United States Pacific Command 1949-1953 och USA:s försvarschef 1953-1957.
1 day ago · The geocentric model was the predominant description of the cosmos in many European ancient civilizations, such as those of Aristotle in Classical Greece and Ptolemy in Roman Egypt, as well as during the Islamic Golden Age . Two observations supported the idea that Earth was the center of the Universe.
