альтазимут телескопы

альтазимут телескопы

A form of mounting similar to that of a radar which allows the telescope tube to be moved horizontally (by rotation in azimuth or compass direction) and vertically (by rotation in altitude or elevation). To follow a star the telescope must be adjusted simultaneously in both axes. (also called alt-az.)

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行业/领域：天文学
类别普通天文学
Company: Caltech
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the light produced by excited atoms and ions in the upper atmosphere of a planet

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1) Angular distance from the north point eastward to the intersection of the celestial horizon with the vertical circle passing through the object and the zenith. 2) Directional ...

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行业/领域：体育类别篮球

ойыннан тыс доп

(basketball term) any ball that is not live; occurs after each successful field goal or free-throw attempt, after any official's whistle or if the ...