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mass-luminosity relation

(Encyclopedia)mass-luminosity relation, in astronomy, law stating that the luminosity of a star is proportional to some power of the mass of the star. More massive stars are in general more luminous. For stars on t...

Roberts, Owen Josephus

(Encyclopedia)Roberts, Owen Josephus, 1875–1955, associate justice of the U.S. Supreme Court (1930–45), b. Philadelphia. After receiving (1898) his law degree from the Univ. of Pennsylvania, he practiced law in...

Bode, Johann Elert

(Encyclopedia)Bode, Johann Elert yōˈhän āˈlĕrt bōˈdə [key], 1747–1826, German astronomer. From 1772 to 1825 he was astronomer of the Academy of Science, Berlin, and from 1786, director of the Berlin Obse...

Szydło, Beata Maria

(Encyclopedia)Szydło, Beata Maria, 1963–, Polish political leader, grad. Jagiellonian Univ., 1989. A member of the conservative Law and Justice party, she was first elected to the Sejm, Poland's lower house of p...

Royall, Kenneth Claiborne

(Encyclopedia)Royall, Kenneth Claiborne, 1894–1971, U.S. army officer and government official, b. Goldsboro, N.C., grad. Univ. of North Carolina (1914), Harvard Law School (1917). Royall served in World War I (19...

metal

(Encyclopedia)metal, chemical element displaying certain properties by which it is normally distinguished from a nonmetal, notably its metallic luster, the capacity to lose electrons and form a positive ion, and th...

Clarke, Samuel

(Encyclopedia)Clarke, Samuel, 1675–1729, English philosopher and divine. His chief interest was rational theology, and, although a critic of the deists, he was in sympathy with some of their ideas. He supported t...

Villanova University

(Encyclopedia)Villanova University vĭlˌənōˈvə [key], at Villanova, Pa., near Philadelphia; Roman Catholic; est. 1842 as a men's school, coeducational since 1967. It has schools of arts and sciences, engineeri...

heir

(Encyclopedia)heir, person designated by law to succeed to the ownership of property of another if that owner does not make a contrary disposition of it by will. A person who takes property left to him by will is n...

Grotius, Hugo

(Encyclopedia)Grotius, Hugo grōˈshəs [key], 1583–1645, Dutch jurist and humanist, whose Dutch name appears as Huigh de Groot. He studied at the Univ. of Leiden and became a lawyer when 15 years old. In Dutch p...