(Encyclopedia) color index, in astronomy, difference in an object's brightness as recorded between any two well-defined bands of the electromagnetic spectrum by using optical filters of different…
(Encyclopedia) Characteristics of Spectral Classes for Main Sequence Stars
Class
Color
Surface Temperature
Strong Lines
O
blue-white
35,000℃
ionized helium
B
blue-white
21,000℃
helium
A
white…
(Encyclopedia) English springer spaniel, breed of medium-sized sporting dog developed in England from the broader and very old category of “springing spaniels” that produced many of the present-day…
(Encyclopedia) harp seal, crested earless, or true, seal, Phoca groenlandica, found in the N Atlantic around Greenland and the White Sea. In the spring, harp seals migrate southward to assemble in…
(Encyclopedia) stork, common name for members of a family of long-legged wading birds. The storks are related to the herons and ibises and are found in most of the warmer parts of the world. Storks…
(Encyclopedia) vestments, garments worn by ecclesiastics in ceremonial functions. The cassock, a close-fitting gown buttoning down the front and reaching to the feet, is not a vestment so much as the…
NBCWednesday 8:00–8:30 p.m.; canceledCast: Tony Danza, Maria Canals, Majandra Delfino, Ashley Malinger and Shaun Weiss Sportswriter Tony Danza longs for the low-tech days when newspaper copy…
(Encyclopedia) Babbitt metal, an antifriction metal first produced by Isaac Babbitt in 1839. In present-day usage the term is applied to a whole class of silver-white bearing metals, or “white metals…
(Encyclopedia) miniature bull terrier, breed of small, muscular dog developed in England in the early 19th cent. It stands up to 14 in. (35.6 cm) high at the shoulder and weighs about 17 lb (7.7 kg…
(Encyclopedia) albinoalbinoălbīˈnō [key] [Port.,=white], animal or plant lacking normal pigmentation. The absence of pigment is observed in the body covering (skin, hair, and feathers) and in the…
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