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Carruthers, George Richard

(Encyclopedia) Carruthers, George Richard, 1939-2020, African-American astrophysicist, b. Cincinnati, OH, Univ. of Illinois at Urbana-Champaign (BS, 1961; MS, nuclear...

Russell, Henry Norris

(Encyclopedia)Russell, Henry Norris, 1877–1957, American astronomer, b. Oyster Bay, N.Y., grad. Princeton, 1897. In 1902 he went to Cambridge, England, to study. He returned to Princeton in 1905, was professor of...

Scholz's star

(Encyclopedia)Scholz's star, dim binary star system, consisting of a red dwarf and brown dwarf, in the constellation Monoceros, apparent magnitude 18.3. The red dwarf is a tiny star, with less than ten percent the ...

Rubin, Vera

(Encyclopedia)Rubin, Vera, 1928–2016, American astronomer, b. Philadelphia as Vera Florence Cooper, Ph.D. Georgetown (1954). After teaching at Georgetown, she joined (1965) the Carnegie Institution's department o...

Rhea, in astronomy

(Encyclopedia)Rhea, in astronomy, one of the named moons, or natural satellites, of Saturn. Also known as Saturn V (or S5), Rhea is 950 mi (1530 km) in diameter, orbits Saturn at a mean distance of 327,487 mi (527,...

city-state

(Encyclopedia)city-state, in ancient Greece, Italy, and Medieval Europe, an independent political unit consisting of a city and surrounding countryside. The first city-states were in Sumer, but they reached their p...

Cresilas

(Encyclopedia)Cresilas or Kresilas both: krĕsˈĭləs [key], fl. c.450 b.c., Greek sculptor, b. Crete. He worked at Athens. His statue of Pericles is the earliest Greek portrait statue that has been identified. ...

Mavrokordatos, Alexander

(Encyclopedia)Mavrokordatos or Mavrocordatos, Alexander both: mävˌrôkôr-ᵺäˌtôs [key], 1791–1865, Greek patriot and statesman. He took an active part in the Greek revolt (1821) against Turkey and wrote th...

Migne, Jacques Paul

(Encyclopedia)Migne, Jacques Paul zhäk pôl mēˈnyə [key], 1800–1875, French publisher of theological works, a Roman Catholic priest (ordained 1824). He set up a printing press in Paris and printed many religi...

Mesolóngion

(Encyclopedia)Mesolóngion mÄ­sÉ™lôngˈgÄ“ [key], town (1991 pop. 12,103), capital of Aetolia and Acarnania prefecture, W central Greece, a port on the Gulf of Pátrai. It trades in fish, wine, and tobacco. MesolÃ...