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Hertzsprung-Russell diagram

(Encyclopedia)CE5 The Hertzsprung-Russell diagram shows the relation between the luminosity and surface temperature (which is related to spectral class, or color) of the stars in the Milky Way. Most stars fall a...

Dumyat

(Encyclopedia)Dumyat dămēĕtˈə [key], city (1986 pop. 89,069), capital of Dumyat governorate, N Egypt, on Lake Manzala near the Mediterranean Sea. It is a manufacturing and trade center. Its products include gl...

Cumans

(Encyclopedia)Cumans or Kumans both: ko͞oˈmänz [key], nomadic East Turkic people, identified with the Kipchaks (or the western branch of the Kipchaks) and known in Russian as Polovtsi. Coming from NW Asian Russi...

Chipewyan

(Encyclopedia)Chipewyan chĭpˌəwīˈən [key], Native North Americans of the Athabascan branch of the Nadene linguistic stock (see also Native American languages). Formerly the largest of the Athabascan groups, s...

Cockerell, Charles Robert

(Encyclopedia)Cockerell, Charles Robert kŏkˈərəl [key], 1788–1863, English architect, archaeologist, and writer. While excavating at Bassae, Aegina, and other sites in Italy, Greece, and Asia Minor, he studie...

chickadee

(Encyclopedia)chickadee chĭkˈədēˌ [key], small North American bird of the titmouse family. The black-capped chickadee (Parus atricapillus), lively and gregarious, is a permanent resident over most of its range...

Haldane, Frederick Duncan Michael

(Encyclopedia)Haldane, Frederick Duncan Michael, 1951–, British physicist, b. London, England, Ph.D. Cambridge, 1978. Haldane taught at the Univ. of Southern California (1981–85, 1987–90) and worked at Bell L...

Erlangen

(Encyclopedia)Erlangen ĕrˈläng-ən [key], city, Bavaria, S Germany, at the confluence of the Schwabach and ...

Appian Way

(Encyclopedia)Appian Way ăpˈēən [key], Lat. Via Appia, most famous of the Roman roads, built (312 b.c.) under Appius Claudius Caecus. It connected Rome with Capua and was later extended to Beneventum (now Benev...

Jülich, former duchy, Germany

(Encyclopedia)Jülich yüˈlĭkh [key], former duchy, Germany, between Cologne and Aachen. At first a county, Jülich was raised to a duchy in 1356, and in 1423 it was united with the county of Berg. After the exti...