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node
(Encyclopedia) node, in astronomy, point at which the orbit of a body crosses a reference plane. One reference plane that is often used is the plane of the earth's orbit around the sun (ecliptic).…halo, in meteorology
(Encyclopedia) halo, in meteorology, short-lived circles or arcs, and less commonly spikes and crosses, of colored or whitish light surrounding the moon or sun or in clouds as seen from above. A halo…Jack the Ripper
(Encyclopedia) Jack the Ripper, name given to an unidentified late-19th-century murderer in London, England; also known as the Whitechapel Murderer and Leather Apron. From Aug. to Nov., 1888, he was…Nordhoff, Charles
(Encyclopedia) Nordhoff, CharlesNordhoff, Charlesnôrdˈhŏf [key], 1830–1901, American journalist and author, b. Westphalia. In 1835 he emigrated with his family to Cincinnati. His service (1844–47) in…Eisenstaedt, Alfred
(Encyclopedia) Eisenstaedt, Alfred, 1898–1995, American photographer, b. Dirschau, Germany (now Tczew, Poland). Widely considered the father of photojournalism, he began creating photo essays in…conjunction, in astronomy
(Encyclopedia) conjunction, in astronomy, alignment of two celestial bodies as seen from the earth. Conjunction of the moon and the planets is often determined by reference to the sun. When a body is…albedo
(Encyclopedia) albedoalbedoălbēˈdō [key], reflectivity of the surface of a planet, moon, asteroid, or other celestial body that does not shine by its own light. Albedo is measured as the fraction of…Mountains of the Moon
(Encyclopedia) Mountains of the Moon, Africa: see Ruwenzori.Moon, Mountains of the
(Encyclopedia) Moon, Mountains of the, Africa: see Ruwenzori.month
(Encyclopedia) month, in chronology, the conventional period of a lunation, i.e., passage of the moon through all its phases. It is usually computed at approximately 29 or 30 days. For the…Trending
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