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单词 Zenith telescope
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Zenith telescope

英语百科

Zenith telescope

Zenith Telescope
Astronomical transit and zenith telescope, 1898

A zenith telescope is a type of telescope that is designed to point straight up at or near the zenith. They are used for precision measurement of star positions, to simplify telescope construction, or both.

A classic zenith telescope, also known as a zenith sector employs a strong altazimuth mount, fitted with levelling screws. Extremely sensitive levels are attached to the telescope mount to make angle measurements and the telescope has an eyepiece fitted with a micrometer. They are used for the measurement of small differences of zenith distance, and used in the determination of astronomic latitude.

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更新时间:2025/6/21 14:06:22