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kilogram

(Encyclopedia)kilogram, abbr. kg, fundamental unit of mass in the metric system, defined as the mass of the International Prototype Kilogram, a platinum-iridium cylinder kept at Sèvres, France, near Paris. Copies ...

measure

(Encyclopedia)measure, in music, a metrical unit having a given number of beats, the first of which normally is accented, although the accent may be displaced by syncopation. Measures are separated on the staff by ...

Plücker, Julius

(Encyclopedia)Plücker, Julius yo͞oˈlyo͝os plüˈkər [key], 1801–68, German mathematician and physicist. He became professor of mathematics (1836) and of physics (1847) at the Univ. of Bonn. He is known for h...

Watauga

(Encyclopedia)Watauga wŏtôˈgə [key], river, 60 mi (97 km) long, rising in the Blue Ridge Mts., NW N.C., and flowing NW to the south fork of the Holston River near Kingsport, Tenn. Watauga Dam (completed 1949), ...

Mayor, Michel Gustave Edward

(Encyclopedia)Mayor, Michel Gustave Edward, 1942–, Swiss astrophysicist, Ph.D. Univ. of Geneva, 1971. He spent his entire career at the Univ. of Geneva, retiring as professor emeritus in 2007. In 2019 Mayor and D...

Kunming

(Encyclopedia)Kunming ko͞onˈmĭngˈ [key], city (1994 est. pop. 1,240,000), capital of Yunnan prov., S China, on the northern shore of Dian Chi Lake. It is a major administrative, commercial, and cultural center ...

Hercules cluster

(Encyclopedia)Hercules cluster, giant globular star cluster in the northern constellation Hercules; cataloged as M13 or NGC 6205. The cluster is just visible to the naked eye and is the best example of a globular c...

Carruthers, George Richard

(Encyclopedia) Carruthers, George Richard, 1939-2020, African-American astrophysicist, b. Cincinnati, OH, Univ. of Illinois at Urbana-Champaign (BS, 1961; MS, nuclear...

Cerro Tololo Inter-American Observatory

(Encyclopedia)Cerro Tololo Inter-American Observatory sāˈrō tōlōˈlō [key], astronomical observatory located on Cerro Tololo peak, Chile, with offices in La Serena, about 40 mi (64 km) to the west. Funded by ...

Teton , rivers, United States

(Encyclopedia)Teton tētŏnˈ [key]. 1 River, 143 mi (230 km) long, rising in several branches in the Rocky Mts., NW Mont., and flowing E to the Marias River. Bynum Reservoir, on a tributary, is a unit in the irrig...