Last Updated:2025/11/30
Sentence

星の高度を観測する際、天文学者は天頂と天底を通り地平線に垂直な大円に沿ってその位置を測定した。

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When observing the altitude of a star, the astronomer measured its position along the vertical circle passing through the zenith.

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When observing the altitude of a star, the astronomer measured its position along the vertical circle passing through the zenith.

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Related words

vertical circle

Noun
Japanese Meaning
天球上にある、地平線と直交する大円。すなわち、天頂と天底を通る円。
What is this buttons?

星の高度を観測する際、天文学者は天頂と天底を通り地平線に垂直な大円に沿ってその位置を測定した。

Related Words

plural

English - English

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