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Burbidge, Margaret

(Encyclopedia)Burbidge, Margaret, 1925–2020, Anglo-American astronomer, b. England as Eleanor Margaret Peachey. Burbidge; her husband, Geoffrey Burbidge; William Fowler; and Sir Fred Hoyle showed (1956) how heavi...

Abbe, Cleveland

(Encyclopedia)Abbe, Cleveland ăbˈē [key], 1838–1916, American meteorologist, b. New York City; brother of Robert Abbe. He was the first official daily weather forecaster in the United States. Abbe studied astr...

Pune

(Encyclopedia)Pune or Poona both: po͞oˈnə [key], city (1991 pop. 2,493,987), Maharashtra state, W central India. It is a district administrative and commercial center with automotive vehicle works, appliance fac...

infrared astronomy

(Encyclopedia)infrared astronomy, study of celestial objects by means of the infrared radiation they emit, in the wavelength range from about 1 micrometer to about 1 millimeter. All objects, from trees and building...

Alliance

(Encyclopedia)Alliance. 1 City, seat of Box Butte co., NW Nebr., in the High Plains; founded 1887 as Grand Lake, renamed and inc. 1888. Located in a farming and ranching region, it is a shipping c...

Hevelius, Johannes

(Encyclopedia)Hevelius, Johannes yōhänˈəs hāvāˈlēo͝os [key], 1611–87, Polish astronomer, b. Danzig. From a finely equipped observatory in his house at Danzig, assisted by his wife Elizabeth, he made valu...

Maragheh

(Encyclopedia)Maragheh märägäˈ [key], city (1991 pop. 117,388), East Azerbaijan prov., NW Iran, on the southern slopes of Mt. Sahand. It is the trade and transportation center of a fertile fruit-growing region;...

Quetelet, Adolphe

(Encyclopedia)Quetelet, Adolphe ädôlfˈ kĕtəlāˈ [key], 1796–1874, Belgian statistician and astronomer. He was the first director (1828) of the Royal Observatory at Brussels. As supervisor of statistics for ...

ephemeris

(Encyclopedia)ephemeris ĭfĕmˈərĭs [key] (pl., ephemerides), table listing the position of one or more celestial bodies for each day of the year. The French publication Connaissance de Temps is the oldest of th...

sundial

(Encyclopedia)sundial, instrument that indicates the time of day by the shadow, cast on a surface marked to show hours or fractions of hours, of an object on which the sun's rays fall. Although any object whose sha...