(Encyclopedia) Rhea, in astronomy, one of the named moons, or natural satellites, of Saturn. Also known as Saturn V (or S5), Rhea is 950 mi (1530 km) in diameter, orbits Saturn at a mean distance of…
(Encyclopedia) Barnard's star, star with the largest observed proper motion (rate of motion across the sky with respect to other stars); located in the constellation Ophiuchus. The star's large…
(Encyclopedia) Burnett, CarolBurnett, Carolbərnĕtˈ [key], 1936–, American television performer, b. San Antonio, Tex. Beginning her show-business life as a singer, she soon turned to comedy. After…
(Encyclopedia)
CE5
Image formation by curved mirrors and lenses
reflection, return of a wave from a surface that it strikes into the medium through which it has traveled. The general principles…
(Encyclopedia) astrology, form of divination based on the theory that the movements of the celestial bodies—the stars, the planets, the sun, and the moon—influence human affairs and determine the…
(Encyclopedia) cult, ritual observances involved in worship of, or communication with, the supernatural or its symbolic representations. A cult includes the totality of ideas, activities, and…
Read about some of the most significant riots in U.S. history
1898: Wilmington, North Carolina
While Democrats held power at the state level in North Carolina, a coalition of white…
(Encyclopedia) Canadian literature, English, literary works produced in Canada and written in the English language.
The essayist Northrop Frye is noted for his systematic classification of…
(Encyclopedia) nail, in anatomy, the horny outgrowth shielding the tip of the finger and the toe in humans and most other primates. The nail consists of dead cells pushed outward by dividing cells in…
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