(from the article "galactic coordinate") in astronomy, galactic latitude or longitude. The two coordinates constitute a useful means of locating the relative positions and motions of components of the Milky Way Galaxy. Galactic latitude (denoted ...
in astronomy, galactic latitude or longitude. The two coordinates constitute a useful means of locating the relative positions and motions of components of the Milky Way Galaxy. Galactic latitude (denoted ... [1 Related Articles]
(from the article "galactic coordinate") ...of the Milky Way Galaxy. Galactic latitude (denoted by the symbol b) is measured in degrees north or south of the Galaxy's fundamental plane of symmetry. This plane is defined ...
in astronomy, nearly spherical volume of thinly scattered stars, globular clusters of stars, and tenuous gas observed surrounding spiral galaxies, including the Milky Way-the galaxy in which the Earth is ... [2 Related Articles]
(from the article "galactic coordinate") ...poles and equator were redefined, with a change of less than 2° in the positions of the poles. The north galactic pole is now considered to be in the constellation ...
(from the article "galactic coordinate") Galactic longitude (denoted by the symbol l) is measured in degrees eastward of an imaginary line running across the plane of the Galaxy and connecting Earth (assumed to be on ...
(from the article "Milky Way Galaxy") The total mass of the Galaxy, which had seemed reasonably well established during the 1960s, has become a matter of considerable uncertainty. Measuring the mass out to the distance of ...
(from the article "galactic coordinate") At the same time, the positions of the galactic poles and equator were redefined, with a change of less than 2° in the positions of the poles. The north galactic ...
(from the article "astronomy") The second method for galactic distance measurements makes use of the observation that the distances to galaxies generally correlate with the speeds with which those galaxies are receding from Earth ...
(from the article "Romanian literature") ...periodicals and wrote plays, poetry, and criticism; the geographer S. Mehedinti (Soveja) edited a periodical and wrote village stories. Lucian Blaga was a philosophic essayist and poet, while Gala Galaction ...
(from the article "metabolism") ...reactions must occur before the other sugars can enter the catabolic routes. Galactose, for example, is phosphorylated in a manner analogous to step [1] of glycolysis. The reaction, catalyzed by ...
(from the article "photosynthesis") ...and proteins. About one-fourth of the lipid portion of the lamellae consists of pigments and coenzymes; the remainder consists of various lipids, including polar compounds such as phospholipids and galactolipids. ...
excessive flow of milk from the breast, or lactation that is not associated with childbirth or nursing. The abnormal production of milk in women is usually due to excessive levels ...
a member of a group of carbohydrates known as simple sugars (monosaccharides). It is usually found in nature combined with other sugars, as, for example, in lactose (milk sugar). Galactose ... [6 Related Articles]
(from the article "metabolism") ...can enter the catabolic routes. Galactose, for example, is phosphorylated in a manner analogous to step [1] of glycolysis. The reaction, catalyzed by a galactokinase, results in the formation of ...
a hereditary defect in the metabolism of the sugar galactose, which is a constituent of lactose, the main carbohydrate of milk. Infants with this condition appear normal at birth, but, ... [3 Related Articles]
(from the article "cockatoo") The most widespread and numerous cockatoo species is the 35-cm (14-inch) galah (Eolophus roseicapillus). It is pink with gray wings and sweeps through Australian skies in noisy, gregarious flocks. Galahs, ...
the pure knight in Arthurian romance, son of Lancelot du Lac and Elaine (daughter of Pelles), who achieved the vision of God through the Holy Grail. In the first romance ... [4 Related Articles]
(from the article "Madonna") ...the Baptist appear as intercessors on either side of Christ. In addition to these rather ceremonial types, the Virgin also appears in the less-frequently represented, more intimate types of the ...
Persian-born violinist and teacher who stressed attention to technical detail and mental control in his training of such virtuoso violinists as Itzhak Perlman.
(from the article "Andes Mountains") Northward, to latitude 18° S, the peaks of El Condor, Sierra Nevada, Llullaillaco, Galan, and Antofalla all exceed 19,000 feet. The two main ranges and several volcanic secondary chains enclose ...
Spanish bullfighter (b. Nov. 19, 1948, Bujelance, Spain-d. Aug. 12, 2001, Burgos, Spain), as one of Spain's most exciting toreros of the 1970s, thrilled audiences with his daring and forceful ...
(from the article "Comunero Rebellion") ...reasserted control, took prisoners, and executed some rebel leaders. Roman Catholic clergy even threatened divine retribution on peasants harbouring rebellious sympathies. The mestizo peasant leader Jose Antonio Galan, who attempted ...
Mexican painter (b. Dec. 5, 1958, Muzquiz, Coahuila, Mex.-d. Aug. 4, 2006, en route to Monterey, Mex.), was a Neo-Expressionist whose colourful figurative paintings were replete with elements of collage ...
(from the article "population ecology") ...below 1.0 indicates a decrease in population, any number above indicates an increase. In the example provided in the Table, the net reproductive rate is 2.101, which means that the ...
distinctive group of birds whose radiation into several ecological niches in the competition-free isolation of the Galapagos Islands and on Cocos Island gave the English naturalist Charles Darwin evidence for ... [4 Related Articles]
(from the article "fur seal") ...about 14,000 South American fur seals (A. australis) were being harvested annually. Other species, including the once-numerous New Zealand fur seal (A. forsteri), the Galapagos fur seal (A. galapagoensis), and ...
island group of the eastern Pacific Ocean, administratively a province of Ecuador. The Galapagos consist of 13 major islands (ranging in area from 5.4 to 1,771 square miles [14 to ... [8 Related Articles]
(from the article "mockingbird") Other species of Mimus range from Central and South America to Patagonia, and the blue mockingbird (Melanotis) inhabits much of Mexico. The Galapagos mockingbird (Nesomimus) has various races or subspecies ...
(from the article "penguin") ...The majority of the 17 species do not live in Antarctica but rather between latitudes 45° and 60° S, where they breed on islands. A few penguins inhabit temperate regions, ...
(from the article "Galapagos Islands") The archipelago is renowned for its unusual animal life. Its giant tortoises are thought to have some of the longest life spans (up to 150 years) of any creature on ...
(from the article "Kvasir") ...they performed the ancient peace ritual of spitting into a common vessel. He wandered around teaching and instructing, never failing to give the right answer to a question. Two dwarfs, ...
town, Scottish Borders council area, southeastern Scotland. It is on Gala Water near its junction with the River Tweed, 33 miles (53 km) south-southeast of Edinburgh. The part of the ...
(from the article "Istanbul") ...who were not citizens of the empire were restricted to this quarter. Around palatial embassies were compounds that included schools, churches, and hospitals for the various nationalities. Eventually Galata became ...
(from the article "Istanbul") The Galata and Ataturk bridges cross the Golden Horn to Beyoglu. Each day before dawn their centre spans are swung open to allow passage to seagoing ships. The shores of ...
(from the article "Ekrem, Recaizade Mahmud") ...scholar, Ekrem was apprenticed to a number of government offices after his formal education. Later he became an official in the Council of State and a teacher of Turkish literature ...
(from the article "Acis") in the Greek mythology of Ovid, the son of Faunus (Pan) and the nymph Symaethis. He was a beautiful shepherd of Sicily, the lover of the Nereid Galatea. His rival, ...
(from the article "Moons of Neptune") ...named Courage, Liberte, Egalite 1, Egalite 2, and Fraternite. They range in length from about 1,000 km (600 miles) to more than 10,000 km (6,000 miles). Although the moon Galatea, ...
judet (county), eastern Romania, bounded on the east by Moldova. The county is bordered in the east by the Prut River and in the south and west by the Siret ...
city, capital of Galati judet (county), southeastern Romania. An inland port about 120 miles (190 km) northeast of Bucharest, it is situated on an eminence among the marshes at the ...
ancient district in central Anatolia that was occupied early in the 3rd century BC by Celtic tribes, whose bands of marauders created havoc among neighbouring Hellenistic states. Invited from Europe ... [3 Related Articles]
New Testament writing addressed to Christian churches (exact location uncertain) that were disturbed by a Judaizing faction within the early Christian church. The members of this faction taught that Christian ... [6 Related Articles]
(from the article "Ahmad Gran") ...and later soundly defeated by Ahmad Gran, who had meanwhile been able to obtain Turkish reinforcements. The few remaining Portuguese, however, with the new Ethiopian ruler, Galawdewos (Claudius), were soon ...
(from the article "spinel") ...ruby spinel (q.v.) or magnesia spinel; other members include hercynite (iron aluminum oxide, FeAl2O4), gahnite (zinc aluminum oxide, ZnAl2O4), and galaxite (manganese aluminum oxide, MnAl2O4). The colour of magnesia spinel ...
any of the systems of stars and interstellar matter that make up the cosmos. Many such assemblages are so enormous that they contain hundreds of billions of stars. [19 Related Articles]
(from the article "galaxy") Galaxies tend to cluster together, sometimes in small groups and sometimes in enormous complexes. Most galaxies have companions, either a few nearby objects or a large-scale cluster; isolated galaxies, in ...
(from the article "ultraviolet astronomy") ...medium. EUVE was succeeded in 1999 by NASA's Far Ultraviolet Spectroscopic Explorer (FUSE), which discovered molecular nitrogen in interstellar space. Another NASA ultraviolet satellite, the Galaxy Evolution Explorer (GALEX), was ...
(from the article "Hughes Electronics Corporation") The fastest-growing business of Hughes in the 1980s and '90s was its satellite and telecommunications segment. Its Galaxy I satellite, launched in 1983, revolutionized the American television industry by delivering ...
Roman emperor for seven months (AD 68-69), whose administration was priggishly upright, though his advisers allegedly were corrupt. [6 Related Articles]
Canadian-born American economist and public servant known for his support of public spending and for the literary quality of his writing on public affairs. [4 Related Articles]
(from the article "piciform") ...13 secondaries; 8 to 12 rectrices (tail feathers); aftershaft present; no down in adults; hole-nesting birds, laying all-white eggs. Approximately 400 species.Desmognathous (vomer bone of palate small or lacking; ...
(from the article "Magnoliales") ...have been milled for timber, which has been used in building construction and for furniture and veneer. They are too scattered, however, to be deliberately sought for timber. Wood from ...
highest mountain peak of Norway and the Scandinavian Peninsula. It lies in the Jotunheim Mountains, south-central Norway, and rises to 8,100 feet (2,469 metres). The nearby Glitter Mountain has a ... [2 Related Articles]
wind that is stronger than a breeze; specifically a wind of 28-55 knots (50-102 km per hour) corresponding to force numbers 7 to 10 on the Beaufort scale. As issued ...
American novelist and playwright whose Miss Lulu Bett (1920) established her as a realistic chronicler of Midwestern village life. [1 Related Articles]
(from the article "Uruguay") ...of Horacio Quiroga. The psychological stories of Juan Carlos Onetti have earned widespread critical praise, as have the writings of Mario Benedetti. Uruguay's best-known contemporary writer is Eduardo H. Galeano, ...
(from the article "mouthbreeder") any fish that breeds its young in the mouth. Examples include certain catfishes, cichlids, and cardinal fishes. The male of the sea catfish Galeichthys felis places up to 50 fertilized ...
Greek physician, writer, and philosopher who exercised a dominant influence on medical theory and practice in Europe from the Middle Ages until the mid-17th century. His authority in the Byzantine ... [22 Related Articles]
city, seat (1827) of Jo Daviess county, northwestern Illinois, U.S. It lies along the Galena River (originally called Fever River), 4 miles (6 km) east of the Mississippi River and ...
a gray lead sulfide (PbS), the chief ore mineral of lead. One of the most widely distributed sulfide minerals, it occurs in many different types of deposits, often in metalliferous ... [5 Related Articles]
(from the article "Galena") city, seat (1827) of Jo Daviess county, northwestern Illinois, U.S. It lies along the Galena River (originally called Fever River), 4 miles (6 km) east of the Mississippi River and ...
(from the article "bivalve") One group of bivalves, the superfamily Galeommatoidea, form highly intimate relationships with other marine invertebrates, particularly on soft shores and coral reefs. Typically less than 10 millimetres (0.4 inch) long, ...
(from the article "Spanish treasure fleet") ...Sevilla (Seville) to the American colonies each year: the flota left in the spring for Vera Cruz, in what is now Mexico, detaching ships in the West Indies and at ...
(from the article "medal") ...Genoese statesman and admiral Andrea Doria. For the first time the struck medal became a common instrument of court propaganda, especially for the popes and for the ruling Medici family ...
(from the article "romance") ...are known, resembles the Cupid and Psyche story told in the Roman writer Apuleius' Golden Ass (2nd century AD), although there is probably no direct connection. In the early 13th-century ...
(from the article "Sturm, Der") ...were featured; and in 1912, writings, drawings, and prints by members of the Der Blaue Reiter group appeared. In March 1912, in connection with the 100th issue of Der Sturm, ...
(from the article "Western sculpture") ...completed for the celebrations of his decennalia (10th anniversary of his reign) in 315, show dwarfish, dumpy, niggling figures. Both these reliefs and those of the slightly earlier Arch of ...
(from the article "cynodont") The suborder Cynodontia contains, according to some classifications, five families-Procynosuchidae, Galesauridae, Tritylodontidae, Chiniquodontidae, and Trithelodontidae. The first mammals probably derived from small carnivorous chiniquodontids or trithelodonts sometime in the Middle ...
city, seat (1873) of Knox county, western Illinois, U.S. It lies about 50 miles (80 km) northwest of Peoria. George Washington Gale, a Presbyterian minister for whom the city is ...
region of broken mountain terrain, northern Somalia, eastern Africa. It lies parallel to the Gulf of Aden south of the "burnt" Guban coastal plain, and extends from the Ethiopian border ... [2 Related Articles]
(from the article "Miro, Joan") ...to an estate they bought especially for this purpose-Montroig, near Tarragona, Spain-and in 1912 they allowed him to attend an art school in Barcelona. His teacher at this school, Francisco ...
historic region of eastern Europe that was a part of Poland before Austria annexed it in 1772; in the 20th century it was restored to Poland but was later divided ... [14 Related Articles]
comunidad autonoma (autonomous community) and historic region of Spain encompassing the northwestern provincias (provinces) of Lugo, A Coruna, Pontevedra, and Ourense. It is roughly ... [4 Related Articles]
(from the article "Ukraine") ...Vladimir-Suzdal (and later Moscow) formed the core from which developed the future Russian state (see also Grand Principality of Moscow). On Ukrainian territory, in the southwestern part of Rus, Galicia-Volhynia emerged ...
Romance language with many similarities to the Portuguese language. It is spoken by some 4 million people, mostly in the autonomous community of Galicia, Spain-where almost 90 percent of the ... [5 Related Articles]
(from the article "Portuguese literature") ...cantigas de escarnio e maldizer ("songs of mockery and vilification"). This body of lyrics shows the vitality of a school of poetry in Galician-Portuguese, an early dialect ...
(from the article "physical science, principles of") ...in fact, would not be discernible by an observer in a closed box. The supposed invariance of the laws of motion, in addition to standards of measurement, to uniform translation ...
(from the article "biology") ...near the end of the 16th century, it was discovered that if certain lenses are mounted together in a tube, they form what physicists now call a Galilean telescope when ...
(from the article "mechanics") According to the principle of Galilean relativity, if Newton's laws are true in any reference frame, they are also true in any other frame moving at constant velocity with respect ...
(from the article "Jupiter") Galileo proposed that the four Jovian moons he discovered in 1610 be named the Medicean stars, in honour of his patron, Cosimo II de' Medici, but they soon came to ...
instrument for viewing distant objects, named after the great Italian scientist Galileo Galilei (1564-1642), who first constructed one in 1609. With it, he discovered Jupiter's four largest satellites, spots on ... [2 Related Articles]
set of equations in classical physics that relate the space and time coordinates of two systems moving at a constant velocity relative to each other. Adequate to describe phenomena at ... [1 Related Articles]
northernmost region of ancient Palestine, corresponding to modern northern Israel. Its biblical boundaries are indistinct; conflicting readings leave clear only that it was part of the territory of the northern ... [4 Related Articles]
(from the article "galilee") a large porch or narthex, originally for penitents, at the west end of a church. The galilee was developed during the Gothic period.historical development
lake in Israel through which the Jordan River flows. From 1948 to 1967 it was bordered immediately to the northeast by the cease-fire line with Syria. It is famous for ... [3 Related Articles]
father of the astronomer Galileo and a leader of the Florentine Camerata, a group of musical and literary amateurs who sought to revive the monodic (single melody) singing style of ... [3 Related Articles]
Italian natural philosopher, astronomer, and mathematician who made fundamental contributions to the sciences of motion, astronomy, and strength of materials and to the development of the scientific method. His formulation ... [61 Related Articles]
in space exploration, robotic U.S. spacecraft launched to Jupiter for extended orbital study of the planet, its magnetic field, and its moons. Galileo was a follow-on to the much briefer ... [4 Related Articles]
(from the article "Baltic states") ...The western Balts were divided into at least eight recognizable groupings. The westernmost, the Prussians, formed 10 principalities in what subsequently became East Prussia. The Jotvingians and Galindians inhabited an ...
Mexican film director or screenwriter of over 70 motion pictures between the late 1930s and the 1980s who was one of the first to portray the lives of working-class Mexicans ...