天頂望遠鏡
1. Zenith telescopeA 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.
Read “Zenith telescope” on English Wikipedia
Read “天頂望遠鏡” on Japanese Wikipedia
Read “Zenith telescope” on DBpedia
Read “Zenith telescope” on English Wikipedia
Read “天頂望遠鏡” on Japanese Wikipedia
Read “Zenith telescope” on DBpedia
Discussions
Log in to talk about this word.