Last Updated:2025/11/20

In full celestial meridian: a great circle passing through the poles of the celestial sphere and the zenith for a particular point on the Earth's surface.

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meridian

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Source Word

meridian

IPA(Pronunciation)
Noun
also broadly US dated obsolete Scotland
Japanese Meaning
子午線―天文学において、地球上の特定の地点で、天頂と天の極(北極または南極)を結ぶ大円のこと。
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地元の真夜中に、その明るい恒星は観測地点の天頂と天球の極を通る大円(天の子午線)を通過し、天頂と天球の極と一直線に並んだ。

plural

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