(Encyclopedia) meteorology, branch of science that deals with the atmosphere of a planet, particularly that of the earth, the most important application of which is the analysis and prediction of…
(Encyclopedia) AristotleAristotleărˌĭstŏtˈəl [key], 384–322 b.c., Greek philosopher, b. Stagira. He is sometimes called the Stagirite.
After the decline of Rome, Aristotle's work was lost in the…
(Encyclopedia) space shuttle, reusable U.S. space vehicle (1981–2011). Developed by the National Aeronautics and Space Administration (NASA) and officially known as the Space Transportation System (…
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Saturn and its ring system as seen from Earth
Saturn, in astronomy, 6th planet from the sun.
Saturn has 82 confirmed natural satellites, many of which have not been named.…
(Encyclopedia) relativity, physical theory, introduced by Albert Einstein, that discards the concept of absolute motion and instead treats only relative motion between two systems or frames of…
(Encyclopedia) Italian literature, writings in the Italian language, as distinct from earlier works in Latin and French.
In the second half of the 19th cent. Francesco De Sanctis, literary critic…
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The moon: Near side
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The moon: Far side
moon, natural satellite of a planet (see satellite, natural) or dwarf planet, in particular, the single natural satellite of the…
(Encyclopedia) Milton, John, 1608–74, English poet, b. London, one of the greatest poets of the English language.
Milton's theology, although in the Protestant tradition, is extremely…
UNIVERSEMATTER IN THE UNIVERSEOUR PLACE IN THE UNIVERSECROWDED CITYOUR PLANETTHE SOLAR SYSTEMOUR GALAXYTHE EXPANDING UNIVERSEWHERE SPACE BEGINSUNIVERSAL FORCESFIND OUT MOREBIG BANGTIMELINE OF THE…
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Structure of the sun
sun, intensely hot, self-luminous body of gases at the center of the solar system. Its gravitational attraction maintains the planets, comets, and other…
