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spectral class

(Encyclopedia)CE5 spectral class, in astronomy, a classification of the stars by their spectrum and luminosity. In 1885, E. C. Pickering began the first extensive attempt to classify the stars spectroscopically....

Whitehead, Alfred North

(Encyclopedia)Whitehead, Alfred North, 1861–1947, English mathematician and philosopher, grad. Trinity College, Cambridge, 1884. There he was a lecturer in mathematics until 1911. At the Univ. of London he was a ...

venom

(Encyclopedia)venom or zootoxin, any of a variety of poisonous substances produced by animals. In poisonous snakes, venom is secreted in two poison glands, one on each side of the upper jaw, and enters the fang by ...

Buddha

(Encyclopedia)Buddha bo͞oˈdə, bo͝o– [key] [Skt.,=the enlightened One], usual title given to the founder of Buddhism. He is also called the Tathagata [he who has come thus], Bhagavat [the Lord], and Sugata [we...

Longfellow, Henry Wadsworth

(Encyclopedia)Longfellow, Henry Wadsworth, 1807–82, American poet, b. Portland, Maine, grad. Bowdoin College, 1825. He wrote some of the most popular poems in American literature, in which he created a new body o...

muckrakers

(Encyclopedia)muckrakers, name applied to American journalists, novelists, and critics who in the first decade of the 20th cent. attempted to expose the abuses of business and the corruption in politics. The term d...

columnist

(Encyclopedia)columnist, the writer of an essay appearing regularly in a newspaper or periodical, usually under a constant heading. Although originally humorous, the column in many cases has supplanted the editoria...

rape, in law

(Encyclopedia)rape, in law, the crime of sexual relations, often specifically sexual intercourse, without the consent of the victim, often through force or threat of violence. The victim is deemed legally incapable...

stellar populations

(Encyclopedia)stellar populations, two broadly contrasting distributions of star types that are characteristic of different parts of a galaxy. Population I stars are young, recently formed stars, whereas population...

cave

(Encyclopedia)cave, a cavity in the earth's surface usually large enough for a person to enter. Caves may be formed by the chemical and mechanical action of a stream upon soluble or soft rock, of rainwater seeping ...