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Etna
(Encyclopedia) Etna or AetnaEtnaboth: ĕtˈnə [key], volcano, 10,958 ft (3,340 m) high, on the east coast of Sicily, S Italy. One of the most active volcanoes in the world, it also is the highest…Brahe, Tycho
(Encyclopedia) Brahe, TychoBrahe, Tychotīˈkō brä [key], 1546–1601, Danish astronomer. The most prominent astronomer of the late 16th cent., he paved the way for future discoveries by improving…California, University of
(Encyclopedia) California, University of, at ten campuses, main campus at Berkeley; land-grant and state supported; coeducational; chartered 1868, opened 1869 when it took over the College of…Pasadena
(Encyclopedia) PasadenaPasadenapăsˌədēˈnə [key]. 1 City (1990 pop. 131,591), Los Angeles co., S Calif., at the base of the San Gabriel Mts.; inc. 1866. The city is a research and technological center…The Congress of Women: Political Status of Women
Professions and Occupations Op...Personal Rights of WomenPolitical Status of Women After this preliminary glance at the social condition of women in 1192, let us look at her legal…European Space Agency
(Encyclopedia) European Space Agency (ESA), multinational agency dedicated to the promotion, for exclusively peaceful purposes, of cooperation among European states in space research and technology.…2014 Science News: Space Reports
Philae lander touches down on comet, plus laser-guided messaging: the future of communication? Comet says "Cheese!" (photo ESA/Rosetta/NAVCAM, via NASA) Related Links 2014 Year…Neptune
The Magnetic Field of NeptuneNeptune's MoonsThe Smaller Satellites Little was known about Neptune until Aug. 1989, when NASA's Voyager 2 became the first spacecraft to observe the planet.…Time Measurement, Time Zones, and the International Date Line
How we structure time The two natural cycles on which time measurements are based are the year and the day. The year is defined as the time required for Earth to complete one revolution around the…Chichén Itzá
(Encyclopedia) Chichén ItzáChichén Itzáchēchānˈ ētsäˈ [key], city of the ancient Maya, central Yucatán, Mexico. It was founded around two large cenotes, or natural wells. According to one system of…Trending
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