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Eris, in astronomy

(Encyclopedia)Eris, in astronomy, the largest known dwarf planet. Eris, whose highly eccentric elliptical orbit ranges from 38 AU to 97 AU and is inclined more than 44°, is the largest known object of the Kuiper b...

Forth

(Encyclopedia)Forth, river, c.60 mi (100 km) long, formed by streams that join near Aberfoyle in Stirling, S central Scotland. It meanders generally eastward past the town of Stirling to the Firth of Forth at Alloa...

limestone

(Encyclopedia)limestone, sedimentary rock wholly or in large part composed of calcium carbonate. It is ordinarily white but may be colored by impurities, iron oxide making it brown, yellow, or red and carbon making...

Connolly, Cyril

(Encyclopedia)Connolly, Cyril kŏnˈəlē [key], 1903–74, English critic and editor, b. Coventry, England. After attending the Univ. of Oxford, he began his career as a journalist. With Stephen Spender he founded...

badlands

(Encyclopedia)badlands, area of severe erosion, usually found in semiarid climates and characterized by countless gullies, steep ridges, and sparse vegetation. Badland topography is formed on poorly cemented sedime...

Ronstadt, Linda

(Encyclopedia)Ronstadt, Linda (Linda Maria Ronstadt), 1946–, American singer, b. Tucson, Ariz. She is known for the clarity and strength of her soprano voice and for the range of song genres in which she performe...

grouper

(Encyclopedia)grouper, common name for a large carnivorous member of the family Serranidae (sea bass family), abundant in tropical and subtropical seas and highly valued as food fish. There are several genera, nota...

theremin

(Encyclopedia)theremin thĕrˈəmən [key], one of the earliest electronic musical instruments, invented (1920) in the Soviet Union and named for its creator, Leon Theremin. A forerunner of the synthesizer, it cons...

Swift, Taylor Alison

(Encyclopedia) Swift, Taylor Alison, 1989- , American singer-songwriter, b. West Reading, Pa. A precocious songwriter, Swift moved to Nashville at age 15 hoping ...

auk

(Encyclopedia)auk ôk [key], common name for a member of the family Alcidae (alcid family), swimming and diving birds of the N Atlantic and Pacific, which includes the guillemots and puffins. Their legs are set far...