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Hubble's law

(Encyclopedia)Hubble's law, in astronomy, statement that the distances between galaxies (see galaxy) or clusters of galaxies are continuously increasing and that therefore the universe is expanding. Hubble's law ...

magnetism

(Encyclopedia)CE5 Lines of induction around a single bar magnet and between opposite poles of different magnets magnetism, force of attraction or repulsion between various substances, especially those made of i...

Le Clézio, Jean-Marie Gustave

(Encyclopedia)Le Clézio, Jean-Marie Gustave, 1940–, French novelist, b. Nice, grad. Univ. of Nice (L. ès L., 1963), Univ. of Aix-en-Provence (M.A., 1964), Univ. of Perpignan (D. ès L., 1983). He spent much of ...

Kino, Eusebio Francisco

(Encyclopedia)Kino, Eusebio Francisco āo͞osāˈbyō fränsēsˈkō kēˈnō [key], c.1644–1711, missionary explorer in the American Southwest, b. Segno, in the Tyrol. He was in 1669 admitted to the Jesuit order...

Hudson, Henry

(Encyclopedia)Hudson, Henry, fl. 1607–11, English navigator and explorer. He was hired (1607) by the English Muscovy Company to find the Northeast Passage to Asia. He failed, and another attempt (1608) to find a ...

behaviorism

(Encyclopedia)behaviorism, school of psychology which seeks to explain animal and human behavior entirely in terms of observable and measurable responses to environmental stimuli. Behaviorism was introduced (1913) ...

galaxy

(Encyclopedia)CE5 Hubble classification of galaxies: Elliptical galaxies (E) are classified according to the degree of flattening of the ellipse. Spiral galaxies (S) and barred spiral galaxies (SB) are classifie...

planetarium

(Encyclopedia)planetarium, optical device used to project a representation of the heavens onto a domed ceiling; the term also designates the building that houses such a device. A modern planetarium consists of as m...

Cartesian coordinates

(Encyclopedia)CE5 Cartesian coordinates Cartesian coordinates kärtēˈzhən [key] [for René Descartes], system for representing the relative positions of points in a plane or in space. In a plane, the point P...