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stellar evolution

(Encyclopedia)CE5 The above Hertzsprung-Russell (H-R) diagram shows the track of stellar evolution for a typical star. After spending much of its life evolving toward or along the main sequence, the star becomes...

Trojan asteroids

(Encyclopedia)Trojan asteroids, asteroids that revolve about the sun in the same orbit as a planet, occupying stable positions (known as Lagrangian points) either about 60° ahead of the planet in the orbit or abou...

Ross, Sir James Clark

(Encyclopedia)Ross, Sir James Clark, 1800–1862, British polar explorer and rear admiral. In 1818 he accompanied his uncle, Sir John Ross, in search of the Northwest Passage and commanded the Erebus. He later stud...

Ferber, Edna

(Encyclopedia)Ferber, Edna, 1887–1968, American author, b. Kalamazoo, Mich. Her novels portray the lives of a wide variety of Americans in a vigorous, colorful, and panoramic fashion. Among her best-known novels ...

Kushiro

(Encyclopedia)Kushiro ko͞oshēˈrō [key], city (1990 pop. 205,640), SE Hokkaido, Japan, on the Pacific Ocean. The main port of E Hokkaido and the island's only ice-free trading port, it exports timber, fish, and ...

Dalian

(Encyclopedia)Dalian or Talien both: däˈlyĕnˈ [key], Rus. Dalny, Jap. Dairen, city (1994 est. pop. 1,855,200), S Liaoning prov., China, on the Liaodong peninsula in the Bay of Korea. It has annexed Lüshun (Por...

coast guard

(Encyclopedia)coast guard, special naval force assigned to seaboard duties. Its primary responsibilities usually consist in suppressing contraband trade and aiding vessels in distress. The British coast guard was e...

Juneau

(Encyclopedia)Juneau jo͞oˈnō [key], city (1990 pop. 26,751), state capital, SE Alaska, in the Alaska Panhandle; settled by gold miners 1880, inc. 1900. A port on Gastineau Channel, Juneau is a trade center for t...

Ob

(Encyclopedia)Ob ôp [key], river, c.2,300 mi (3,700 km) long, W Siberian Russia. With the Irtysh River, its chief tributary, it is c.3,460 mi (5,600 km) long and is the world's fourth longest river. Formed by the ...

Liepaja

(Encyclopedia)Liepaja or Liepaya both: lēĕˈpäyä [key], Ger. Libau, city (2011 provisional pop. 76,570), W Latvia. An ice-free port on the Baltic Sea, it is located at the end of an isthmus separating the Balti...