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单词 θ51
释义
the world > the universe > celestial sphere > circle of celestial sphere > [noun] > great circle > azimuth circle > zenith point (2)
zenithc1400

The location of a celestial object or event expressed as the point of intersection of an azimuth circle with the horizon; = azimuth, n. 2. Obsolete

zenith point1585

the point on the celestial sphere directly overhead at a particular location; = sense A. 1a.

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更新时间:2024/12/24 21:14:03