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Copernicus, Nicholas

(Encyclopedia)Copernicus, Nicholas kōpûrˈnĭkəs [key], Pol. Mikotaj Kopérnik, 1473–1543, Polish astronomer. After studying astronomy at the Univ. of Kraków, he spent a number of years in Italy studying vari...

Nicholas of Cusa

(Encyclopedia)Nicholas of Cusa (Nicolaus Cusanus), 1401?–1464, German humanist, scientist, statesman, and philosopher, from 1448 cardinal of the Roman Catholic Church. The son of a fisherman, Nicholas was educate...

Rheticus

(Encyclopedia)Rheticus (Georg Joachim von Lauchen) rāˈtēko͝os, gāˈôrk yōäˈkhĭm fən louˈkhən [key], 1514–76, German astronomer, mathematician, and first disciple of Copernicus. In 1540 he printed a s...

Copernican system

(Encyclopedia)Copernican system, first modern European theory of planetary motion that was heliocentric, i.e., that placed the sun motionless at the center of the solar system with all the planets, including the ea...

Nicholas, Russian grand duke

(Encyclopedia)Nicholas (Nikolai Nikolayevich) nyĭkəlīˈ nyĭkəlīˈəvĭch [key], 1856–1929, Russian grand duke and army officer; first cousin of Czar Alexander III and grandson of Czar Nicholas I. He served ...

copernicium

(Encyclopedia)copernicium, artificially produced radioactive chemical element; symbol Cn; at. no. 112; mass number of most stable isotope 285; m.p., b.p., sp. gr., and valence unknown. Situated in Group 12 of the p...

Nicholas V, pope

(Encyclopedia)Nicholas V, 1397–1455, pope (1447–55), an Italian named Tommaso Parentucelli, b. probably Sarzana, Liguria; successor of Eugene IV. From Eugene IV he inherited the antipapal enactments of the Coun...
 

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