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Hyades, in astronomy
(Encyclopedia)Hyades hīˈədēz [key], in astronomy, open star cluster in the constellation Taurus, located immediately to the right of the bright star Aldebaran. The cluster is about 130 light-years from the eart...Mansel, Henry Longueville
(Encyclopedia)Mansel, Henry Longueville mănˈsəl [key], 1820–71, English philosopher and theologian. A disciple of Sir William Hamilton, he systematized his teacher's conception of the relativity of knowledge, ...Estrada Cabrera, Manuel
(Encyclopedia)Estrada Cabrera, Manuel mänwĕlˈ esträˈᵺä käbrāˈrä [key], 1857–1924, president of Guatemala (1898–1920). He ruled as an absolute dictator, and there were several revolutionary movements...Concorde, Place de la
(Encyclopedia)Concorde, Place de la pläs də lä kôNkôrdˈ [key], large square, Paris, France. It is bounded by the Tuileries gardens; the Champs Élysées; the Seine River; and a facade of buildings divided by ...tarots
(Encyclopedia)tarots târˈōz [key], playing cards that are used mainly for fortunetelling, sometimes called “the book of divination of the Gypsies.” It is generally believed that the cards were introduced int...dating
(Encyclopedia)dating, the determination of the age of an object, of a natural phenomenon, or of a series of events. There are two basic types of dating methods, relative and absolute. In relative dating, the tempor...contraband
(Encyclopedia)contraband, in international law, goods necessary or useful in the prosecution of war that a belligerent may lawfully seize from a neutral who is attempting to deliver them to the enemy. The term is s...Royal Greenwich Observatory
(Encyclopedia)Royal Greenwich Observatory, astronomical observatory established in 1675 by Charles II of England at Greenwich and known as the Royal Observatory. It moved during 1948–57 to Herstmonceux Castle, Su...sandstorm
(Encyclopedia)sandstorm, strong dry wind blowing over the desert that raises and carries along clouds of sand or dust often so dense as to obscure the sun and reduce visibility almost to zero; also known as a dusts...quadratic
(Encyclopedia)quadratic, mathematical expression of the second degree in one or more unknowns (see polynomial). The general quadratic in one unknown has the form ax2+bx+c, where a, b, and c are constants and x is t...Browse by Subject
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