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aerial and satellite photography
(Encyclopedia)aerial and satellite photography, technology and science of taking still or moving-picture photographs from a camera mounted on a balloon, airplane, satellite, rocket, or spacecraft. In the 19th cent....Phobos
(Encyclopedia)Phobos fōˈbŏs [key], in astronomy, innermost moon, or natural satellite, of Mars. ...conservation of natural resources
(Encyclopedia)conservation of natural resources, the wise use of the earth's resources by humanity. The term conservation came into use in the late 19th cent. and referred to the management, mainly for economic rea...Chicago Natural History Museum
(Encyclopedia)Chicago Natural History Museum: see Field Museum of Natural History. ...Natural Bridges National Monument
(Encyclopedia)Natural Bridges National Monument, 7,636 acres (3,093 hectares), SE Utah; est. 1908. Located in an area of colored cliffs and box canyons, the monument contains three huge natural sandstone bridges: O...natural resources, conservation of
(Encyclopedia)natural resources, conservation of: see conservation of natural resources. ...Epimetheus, in astronomy
(Encyclopedia)Epimetheus, in astronomy, one of the named moons, or natural satellites, of Saturn. Also known as Saturn XI (or S11), Epimetheus is an irregularly shaped (nonspherical) body measuring about 89 mi (144...Titan , in astronomy
(Encyclopedia)Titan tīˈtən [key], in astronomy, the largest of the named moons, or natural satellites, of Saturn. Also known as Saturn VI (or S6), Titan is 3,200 mi (5,150 km) in diameter, orbits Saturn at a mea...Janus, in astronomy
(Encyclopedia)Janus jāˈnəs [key], in astronomy, one of the named moons, or natural satellites, of Saturn. Also known as Saturn X (or S10), Janus is an irregularly shaped (nonspherical) body measuring about 122 m...Field Museum of Natural History
(Encyclopedia)Field Museum of Natural History, in Chicago, Ill. Founded in 1893 through the gifts of Marshall Field and others, it was first known as the Columbian Museum of Chicago and in 1905 was renamed in honor...Browse by Subject
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