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Kepler's laws

(Encyclopedia)CE5 Schematic representation of Kepler's second law: The areas ABF and A′B′F′ are equal and are swept out in equal intervals of time by a planet orbiting around the sun (at F). Kepler's laws...

sacrifice

(Encyclopedia)sacrifice [Lat. sacrificare=to make holy], a type of religious offering, or gift to a superior or supreme being, in which the offering is consecrated through its destruction. The Paleolithic evidenc...

Giotto

(Encyclopedia)Giotto (Giotto di Bondone) jôtˈtō dē bōndôˈnā [key], c.1266–c.1337, Florentine painter and architect. He is noted not only for his own work, but for the lasting impact he had on the course o...

Jews

(Encyclopedia)Jews [from Judah], traditionally, descendants of Judah, the fourth son of Jacob, whose tribe, with that of his half-brother Benjamin, made up the kingdom of Judah; historically, members of the worldwi...

Anne, queen of England, Scotland, and Ireland

(Encyclopedia)Anne, 1665–1714, queen of England, Scotland, and Ireland (1702–7), later queen of Great Britain and Ireland (1707–14), daughter of James II and Anne Hyde; successor to William III. Queen Anne ...

Crusades

(Encyclopedia)CE5 Crusader States (c.1140) Crusades kro͞oˈsādz [key], series of wars undertaken by European Christians between the 11th and 14th cent. to recover the Holy Land from the Muslims. After...

motion

(Encyclopedia)motion, the change of position of one body with respect to another. The rate of change is the speed of the body. If the direction of motion is also given, then the velocity of the body is determined; ...

hymn

(Encyclopedia)hymn, song of praise, devotion, or thanksgiving, especially of a religious character (see also cantata). Early Christian hymnody consisted mainly of the Psalms and the great canticles Nunc dimittis, M...

science fiction

(Encyclopedia)science fiction, literary genre in which a background of science or pseudoscience is an integral part of the story. Although science fiction is a form of fantastic literature, many of the events recou...

War of 1812

(Encyclopedia)War of 1812, armed conflict between the United States and Great Britain, 1812–15. It followed a period of great stress between the two nations as a result of the treatment of neutral countries by bo...