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Crinoidea

(Encyclopedia)Crinoidea: see Echinodermata; feather star; sea lily. ...

Arcturus

(Encyclopedia)Arcturus ärkto͝orˈəs [key], brightest star in the constellation Boötes and 4th-brightest star in the entire sky; Bayer designation Alpha Boötis; 1992 position R.A. 14h15.3m, Dec. +19°13′. An ...

planet

(Encyclopedia)planet [Gr.,=wanderer], a large nonluminous body of rock, gas, or ice that orbits the sun or another star, has a rounded shape due to gravity, and has cleared its orbit of smaller objects. The term, o...

Hathor

(Encyclopedia)Hathor hăthˈôr [key], in Egyptian religion, celestial goddess of love and festivity. The personification of the sky, she was represented as a star-studded cow or as a woman with the head of a cow. ...

elementary particles

(Encyclopedia)CE5 elementary particles, the most basic physical constituents of the universe. The first subatomic particle to be discovered was the electron, identified in 1897 by J. J. Thomson. After the...

Hubbell, Carl Owen

(Encyclopedia)Hubbell, Carl Owen, 1903–88, American baseball player, b. Carthage, Mo. A left-handed pitcher, Hubbell played his entire major league career (1928–43) with the New York Giants. Hubbell, famous for...

Borg, Björn

(Encyclopedia)Borg, Björn byörn bôrg, bôrˈyə [key], 1956–, Swedish tennis player. As a teenage star he led (1975) Sweden to its first Davis Cup victory. One of the most successful modern tennis players, Bor...

einsteinium

(Encyclopedia)einsteinium īnˈstīˌnēəm, īnstīˈ– [key] [for Albert Einstein], artificially produced radioactive chemical element; symbol Es; at. no. 99; mass no. of most stable isotope 252; m.p. about 860�...

europium

(Encyclopedia)europium yo͝orōˈpēəm [key] [from Europe], metallic chemical element; symbol Eu; at. no. 63; at. wt. 151.964; m.p. about 820℃; b.p. about 1,600℃; sp. gr. 5.25 at 25℃; valence +2 or +3. Europ...

Garden, Mary

(Encyclopedia)Garden, Mary, 1874–1967, Scottish-American operatic soprano, b. Aberdeen, Scotland, studied in Paris. Her debut (1900) occurred when she replaced, without rehearsal, the star of Charpentier's Louise...