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microwave

(Encyclopedia)microwave, electromagnetic wave having a frequency range from 1,000 megahertz (MHz) to 300,000 MHz, corresponding to a wavelength range from 300 mm (about 12 in.) to 1 mm (about 0.04 in.). Like light ...

Kolyma

(Encyclopedia)Kolyma kŏlĭmäˈ, kōlēˈmə, Rus. kəlĭˈmə [key], river, c.1,500 mi (2,410 km) long, rising in several headstreams in the Kolyma and Cherskogo ranges, Russian Far East. It flows generally N to ...

Nyamuragira

(Encyclopedia)Nyamuragira or Nyamulagira, active volcano (11,033 ft/3,058 m), S Virunga range, in E Congo (Kinshasa) near the Rwanda border, N of Lake Kivu and 15 mi (25 km) N of Goma, in S Virunga National Park. A...

Ida, Mount

(Encyclopedia)Ida, Mount īˈdə [key], Gr. Ídhi, 8,058 ft (2,456 m) high, central Crete, Greece; the highest mountain on Crete. ...

guided missile

(Encyclopedia)guided missile, self-propelled, unmanned space or air vehicle carrying an explosive warhead. Its path can be adjusted during flight, either by automatic self-contained controls or remote human control...

Hale Observatories

(Encyclopedia)Hale Observatories: see Mount Wilson Observatory; Palomar Mountain. ...

Rantekombola

(Encyclopedia)Rantekombola ränˌtəkŏmˈbələ [key], mountain, 11,335 ft (3,455 m) high, on the southwest peninsula of Sulawesi island, Indonesia. It is the island's highest point. ...

Banff National Park

(Encyclopedia)Banff National Park, 2,564 sq mi (6,641 sq km), W Alta., Canada, in the Rocky Mts.; est. 1885. Noted for its mountain scenery and mineral springs, Canada's oldest national park is a year-round resort ...

Vignemale

(Encyclopedia)Vignemale vēnyəmälˈ [key], mountain, 10,820 ft (3,298 m) high, S France, on the Franco-Spanish border. It is the highest peak in the French Pyrenees. ...

Tajumulco

(Encyclopedia)Tajumulco täho͞omo͞olˈkō [key], inactive volcano, 13,816 ft (4,211 m) high, W Guatemala. It is the highest mountain in Central America. ...