(Encyclopedia) variable star, star that varies, either periodically or irregularly, in the intensity of the light it emits. Other physical changes are usually correlated with the fluctuations in…
(Encyclopedia) Jones, Samuel Milton, 1846–1904, American political reformer, known as “Golden Rule” Jones, b. Wales. He was brought to America as a child and worked in the oil fields of Pennsylvania…
(Encyclopedia) blazing star or button snakeroot, any plant of the genus Liatris, showy North American perennials of the family Asteraceae (aster family). The blossoms, rosy purple or white, are in…
(Encyclopedia)
CE5
A. Eclipsing binary: Primary component passing behind secondary (dimmer) component
B. Light curve for eclipsing binary
binary star or binary system, pair of stars that are held…
(Encyclopedia) sea star, also called starfish, echinoderm of the class Asteroidae, common in tide pools. Sea stars vary in size from under 1&fslsh;2 in. (1.3 cm) to over 3 ft (90 cm) in diameter…
(Encyclopedia) Jones, Jesse Holman, 1874–1956, U.S. Secretary of Commerce (1940–45), b. Robertson co., Tenn. A lumber magnate, banker, and millionaire of Houston, Tex., Jones was appointed (1932) by…
(Encyclopedia) Jones, Robert Tyre, Jr. (Bobby Jones), 1902–71, American golfer, b. Atlanta, Ga. A lawyer, he became a golf devotee. Jones won the National Open (1923, 1926, 1929–30), the National…
