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Engel, Marian

(Encyclopedia)Engel, Marian, 1933–85, Canadian novelist. Widely considered one of Canada's major modern writers, she is particularly noted for work reflecting a strongly feminist approach. Engel's best-known nove...

Calbuco

(Encyclopedia)Calbuco, active volcano, 6,570 ft (2,003 m), Llanquihue prov., S central Chile, in the Andes on SE shore of Lake Llanquihue, 20 mi (32 km) NE of Puerto Montt. An explosive stratovolcano, Calbuco under...

Hagen, Johannes Georg

(Encyclopedia)Hagen, Johannes Georg yōhäˈnəs gāˈôrk häˈgən [key], 1847–1930, American astronomer and mathematician, b. Austria. A Jesuit, he came in 1880 to the United States to teach. In 1888 he was ma...

sleet

(Encyclopedia)sleet, precipitation of small, partially melted grains of ice. As raindrops fall from clouds, they pass through layers of air at different temperatures. If they pass through a layer with a temperature...

Olympus

(Encyclopedia)Olympus ōlĭmˈpəs [key], Gr. Ólimbos, mountain range, c.25 mi (40 km) long, N Greece, on the border of Thessaly and Macedonia, near the Aegean coast. It rises to c.9,570 ft (2,920 m) at Mt. Olympu...

sunstone

(Encyclopedia)sunstone. 1 Crystal mineral thought by some to have been used by the Vikings as an aid to navigation, especially in conditions of low visibility due to clouds or fog when the position of the sun was u...

interstellar matter

(Encyclopedia)interstellar matter, matter in a galaxy between the stars, known also as the interstellar medium. The interstellar gas, which constitutes about 99% of the interstellar matter, consists mostly of hyd...

Boye, Karin

(Encyclopedia)Boye, Karin käˈrēn bôˈyĕ [key], 1900–1941, Swedish poet, novelist, and short-story writer. Boye's volumes of poetry, including Moln [clouds] (1922) and Glömda land [forgotten land] (1924), re...

albedo

(Encyclopedia)albedo ălbēˈdō [key], reflectivity of the surface of a planet, moon, asteroid, or other celestial body that does not shine by its own light. Albedo is measured as the fraction of incident light th...

Merapi, Mount

(Encyclopedia)Merapi, Mount məräˈpē [key] [Indonesian=mountain of fire], volcano, 9,551 ft (2,911 m) high, central Java, Indonesia, 20 mi (32 km) NNE of Yogyakarta. It is the most active of Indonesia's many vol...